MHT-CET
Q. What is the primary use of sulfuric acid (H2SO4)? (2022)
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A.
Fertilizer
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B.
Battery acid
-
C.
Detergent
-
D.
Food preservative
Solution
Sulfuric acid is primarily used as battery acid in lead-acid batteries.
Correct Answer: B — Battery acid
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Q. What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 2022
Solution
Sodium has an atomic number of 11, and its outermost electron is in the 3rd shell, so n=3.
Correct Answer: C — 3
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Q. What is the principal quantum number for the outermost electrons in sodium (Na)? (2023) 2023
Solution
Sodium has the electronic configuration of 1s² 2s² 2p⁶ 3s¹, so the principal quantum number for the outermost electrons is 3.
Correct Answer: C — 3
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Q. What is the probability of drawing a king from a standard deck of cards? (2023)
-
A.
1/13
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B.
1/52
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C.
1/4
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D.
1/12
Solution
Number of kings = 4. Probability = 4/52 = 1/13.
Correct Answer: A — 1/13
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Q. What is the probability of drawing a queen from a standard deck of cards?
-
A.
1/13
-
B.
1/26
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C.
1/52
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D.
1/4
Solution
Number of queens = 4. Probability = 4/52 = 1/13.
Correct Answer: A — 1/13
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Q. What is the probability of flipping a coin and getting heads? (2023)
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A.
1/2
-
B.
1/3
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C.
1/4
-
D.
1
Solution
There are 2 outcomes: heads or tails. Probability of heads = 1/2.
Correct Answer: A — 1/2
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Q. What is the probability of rolling a sum of 7 with two dice?
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A.
1/6
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B.
1/12
-
C.
1/36
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D.
5/36
Solution
Possible combinations for sum of 7 = (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) = 6. Total outcomes = 36. Probability = 6/36 = 1/6.
Correct Answer: D — 5/36
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Q. What is the process of a solid turning directly into a gas called? (2021)
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A.
Condensation
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B.
Sublimation
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C.
Evaporation
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D.
Deposition
Solution
The process of a solid turning directly into a gas is called sublimation.
Correct Answer: B — Sublimation
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Q. What is the process of forming a polymer from monomers called?
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A.
Polymerization
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B.
Condensation
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C.
Sublimation
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D.
Depolymerization
Solution
The process of forming a polymer from monomers is called polymerization.
Correct Answer: A — Polymerization
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Q. What is the product formed when 1-bromopropane reacts with sodium hydroxide in ethanol? (2021)
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A.
Propene
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B.
1-Propanol
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C.
2-Propanol
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D.
Bromopropane
Solution
1-bromopropane reacts with sodium hydroxide in ethanol to form 1-propanol through a nucleophilic substitution reaction.
Correct Answer: B — 1-Propanol
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Q. What is the product of 9 and 6? (2016)
Q. What is the product of 9 and 7? (2016)
Q. What is the product of electrolysis of water?
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A.
Hydrogen and Oxygen
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B.
Hydrogen and Carbon
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C.
Oxygen and Nitrogen
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D.
Hydrogen and Chlorine
Solution
The products of electrolysis of water are hydrogen and oxygen.
Correct Answer: A — Hydrogen and Oxygen
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Q. What is the product of the complete combustion of propane?
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A.
CO2 and H2O
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B.
CO and H2O
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C.
C and H2
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D.
C2H4
Solution
The complete combustion of propane produces carbon dioxide (CO2) and water (H2O).
Correct Answer: A — CO2 and H2O
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Q. What is the product of the complex numbers (1 + i) and (1 - i)? (2023) 2023
Solution
(1 + i)(1 - i) = 1^2 - i^2 = 1 - (-1) = 2.
Correct Answer: A — 2
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Q. What is the product of the complex numbers 2 + 3i and 4 - i? (2021)
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A.
11 + 10i
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B.
14 + 5i
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C.
5 + 10i
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D.
10 + 5i
Solution
(2 + 3i)(4 - i) = 8 - 2i + 12i - 3i^2 = 8 + 10i + 3 = 11 + 10i.
Correct Answer: A — 11 + 10i
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Q. What is the product of the oxidation of 2-Propanol? (2022)
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A.
Acetone
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B.
Ethanol
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C.
Propanoic acid
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D.
Methanol
Solution
2-Propanol oxidizes to form Acetone, which is a ketone.
Correct Answer: A — Acetone
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Q. What is the product of the oxidation of a primary alcohol? (2020) 2020
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A.
Aldehyde
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B.
Ketone
-
C.
Carboxylic acid
-
D.
Alkene
Solution
The oxidation of a primary alcohol first produces an aldehyde, which can further oxidize to a carboxylic acid.
Correct Answer: A — Aldehyde
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Q. What is the product of the oxidation of a primary alcohol? (2023) 2023
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A.
Aldehyde
-
B.
Ketone
-
C.
Carboxylic acid
-
D.
Alkane
Solution
The oxidation of a primary alcohol results in the formation of an aldehyde.
Correct Answer: A — Aldehyde
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Q. What is the product of the oxidation of ethanol?
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A.
Acetic acid
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B.
Methanol
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C.
Butanoic acid
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D.
Propanoic acid
Solution
Ethanol oxidizes to acetic acid when reacted with an oxidizing agent.
Correct Answer: A — Acetic acid
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Q. What is the product of the oxidation of propan-2-ol?
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A.
Propanal
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B.
Acetone
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C.
Propanoic acid
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D.
Butan-2-one
Solution
Propan-2-ol oxidizes to form Acetone (CH3COCH3).
Correct Answer: B — Acetone
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Q. What is the product of the reaction between 1-bromobutane and sodium hydroxide in ethanol? (2021)
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A.
Butanol
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B.
Butyl bromide
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C.
Butyl ether
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D.
Butyric acid
Solution
The reaction of 1-bromobutane with sodium hydroxide in ethanol leads to the formation of butanol through nucleophilic substitution.
Correct Answer: A — Butanol
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Q. What is the product of the reaction between 1-bromopropane and sodium hydroxide in ethanol?
-
A.
Propene
-
B.
1-Propanol
-
C.
2-Propanol
-
D.
No reaction
Solution
1-bromopropane reacts with sodium hydroxide in ethanol to form 1-Propanol via nucleophilic substitution.
Correct Answer: B — 1-Propanol
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Q. What is the product of the reaction between ammonia and ethyl bromide?
-
A.
Ethylamine
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B.
Diethylamine
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C.
Triethylamine
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D.
Ammonium bromide
Solution
The reaction produces Ethylamine as ammonia acts as a nucleophile and replaces the bromine atom.
Correct Answer: A — Ethylamine
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Q. What is the product of the reaction between an amine and an acid?
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A.
Amide
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B.
Salt
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C.
Ester
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D.
Alcohol
Solution
The reaction between an amine and an acid produces a salt, as the amine acts as a base and accepts a proton from the acid.
Correct Answer: B — Salt
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Q. What is the product of the reaction between benzaldehyde and phenylmagnesium bromide?
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A.
Benzyl alcohol
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B.
Benzophenone
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C.
Diphenylmethanol
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D.
Benzene
Solution
The reaction produces Diphenylmethanol when benzaldehyde reacts with phenylmagnesium bromide.
Correct Answer: C — Diphenylmethanol
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Q. What is the product of the reduction of Cr2O7^2- in acidic medium?
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A.
CrO4^2-
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B.
Cr^3+
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C.
CrO3
-
D.
CrO2
Solution
In acidic medium, Cr2O7^2- is reduced to Cr^3+.
Correct Answer: B — Cr^3+
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Q. What is the product of the roots of the equation 3x² - 12x + 9 = 0? (2022)
Solution
The product of the roots is given by c/a = 9/3 = 3.
Correct Answer: B — 3
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Q. What is the product of the roots of the equation x^2 - 5x + 6 = 0? (2014) 2014
Solution
The product of the roots is c/a = 6/1 = 6.
Correct Answer: A — 6
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Q. What is the product of the roots of the equation x² + 5x + 6 = 0? (2022)
Solution
The product of the roots is given by c/a = 6/1 = 6.
Correct Answer: A — 6
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