Q. What is the process of fusion of male and female gametes called? (2019)
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A.
Pollination
-
B.
Fertilization
-
C.
Germination
-
D.
Transpiration
Solution
The process of fusion of male and female gametes is called fertilization.
Correct Answer: B — Fertilization
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Q. What is the process of heat transfer through direct contact called? (2022)
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A.
Convection
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B.
Conduction
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C.
Radiation
-
D.
Insulation
Solution
The process of heat transfer through direct contact is called conduction.
Correct Answer: B — Conduction
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Q. What is the process of heat transfer through fluid motion called? (2022)
-
A.
Conduction
-
B.
Convection
-
C.
Radiation
-
D.
Insulation
Solution
The process of heat transfer through fluid motion is called convection.
Correct Answer: B — Convection
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Q. What is the process of heat transfer through the movement of fluids called? (2022)
-
A.
Conduction
-
B.
Convection
-
C.
Radiation
-
D.
Insulation
Solution
The process of heat transfer through the movement of fluids is called convection.
Correct Answer: B — Convection
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Q. What is the product formed when 1-bromopropane reacts with sodium hydroxide in ethanol? (2021)
-
A.
Propene
-
B.
1-Propanol
-
C.
2-Propanol
-
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 6 and 7? (2014)
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?
-
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?
-
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
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C.
Carboxylic acid
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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
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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 an aldehyde? (2023)
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A.
Alcohol
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B.
Carboxylic acid
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C.
Ketone
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D.
Alkane
Solution
The oxidation of an aldehyde results in the formation of a carboxylic acid.
Correct Answer: B — Carboxylic acid
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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 ethoxide in ethanol? (2020)
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A.
Butane
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B.
Ethyl butanoate
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C.
Butyl ethyl ether
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D.
1-Butanol
Solution
The reaction of 1-bromobutane with sodium ethoxide leads to the formation of butyl ethyl ether through an SN2 mechanism.
Correct Answer: C — Butyl ethyl ether
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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
-
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 an alkyl halide? (2023)
-
A.
Amine
-
B.
Alcohol
-
C.
Ether
-
D.
Aldehyde
Solution
The product of the reaction between ammonia and an alkyl halide is an amine.
Correct Answer: A — Amine
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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
-
C.
Triethylamine
-
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?
-
A.
Amide
-
B.
Salt
-
C.
Ester
-
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?
-
A.
Benzyl alcohol
-
B.
Benzophenone
-
C.
Diphenylmethanol
-
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?
-
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 reduction of Cr2O7²⁻ in acidic medium? (2019)
-
A.
CrO4²⁻
-
B.
Cr³⁺
-
C.
Cr²O3
-
D.
CrO2
Solution
In acidic medium, Cr2O7²⁻ is reduced to Cr³⁺.
Correct Answer: B — Cr³⁺
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Q. What is the product of the reduction of permanganate ion (MnO4-) in acidic medium? (2019)
-
A.
MnO2
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B.
Mn2O3
-
C.
Mn2+
-
D.
MnO4
Solution
In acidic medium, the permanganate ion (MnO4-) is reduced to manganese ion (Mn2+).
Correct Answer: C — Mn2+
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Q. What is the product of the roots of the equation 2x² - 8x + 6 = 0? (2022)
Solution
The product of the roots is given by c/a = 6/2 = 3.
Correct Answer: A — 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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