Chemistry

Q. Which of the following d-block elements is used in making alloys?
  • A. Gold
  • B. Silver
  • C. Nickel
  • D. Lead
Q. Which of the following elements can form a triple bond? (2022)
  • A. Oxygen
  • B. Nitrogen
  • C. Carbon
  • D. Hydrogen
Q. Which of the following elements has the electronic configuration [Ne]3s²? (2016)
  • A. Sodium
  • B. Magnesium
  • C. Aluminum
  • D. Silicon
Q. Which of the following elements is a f-block element?
  • A. Uranium
  • B. Titanium
  • C. Zinc
  • D. Copper
Q. Which of the following elements is a halogen? (2017) 2017
  • A. Bromine
  • B. Barium
  • C. Bismuth
  • D. Boron
Q. Which of the following elements is a metalloid in the p-block? (2022) 2022
  • A. Boron
  • B. Aluminium
  • C. Gallium
  • D. Indium
Q. Which of the following elements is a noble gas? (2021) 2021
  • A. Oxygen
  • B. Nitrogen
  • C. Neon
  • D. Hydrogen
Q. Which of the following elements is a p-block element? (2021) 2021
  • A. Sodium
  • B. Calcium
  • C. Aluminium
  • D. Iron
Q. Which of the following elements is known for forming complex ions?
  • A. Calcium
  • B. Copper
  • C. Sodium
  • D. Magnesium
Q. Which of the following elements is known for its catalytic properties?
  • A. Copper
  • B. Iron
  • C. Platinum
  • D. Zinc
Q. Which of the following elements is most likely to form a covalent bond? (2023)
  • A. Sodium
  • B. Chlorine
  • C. Calcium
  • D. Potassium
Q. Which of the following elements is most likely to form an anion? (2023)
  • A. Boron
  • B. Carbon
  • C. Fluorine
  • D. Aluminum
Q. Which of the following elements is most likely to form an ionic bond? (2023)
  • A. Carbon
  • B. Oxygen
  • C. Sodium
  • D. Nitrogen
Q. Which of the following elements is most likely to form an ionic bond? (2023) 2023
  • A. Carbon
  • B. Oxygen
  • C. Sodium
  • D. Nitrogen
Q. Which of the following elements is most likely to form covalent bonds? (2023)
  • A. Sodium
  • B. Magnesium
  • C. Chlorine
  • D. Aluminum
Q. Which of the following elements is not a p-block element? (2022)
  • A. Boron
  • B. Carbon
  • C. Sodium
  • D. Nitrogen
Q. Which of the following factors does NOT affect the position of equilibrium? (2023) 2023
  • A. Concentration of reactants
  • B. Temperature
  • C. Pressure
  • D. Presence of a catalyst
Q. Which of the following factors does NOT affect the rate of a chemical reaction? (2021) 2021
  • A. Concentration of reactants
  • B. Temperature
  • C. Presence of a catalyst
  • D. Color of the reactants
Q. Which of the following has the highest bond energy? (2023)
  • A. C-H
  • B. C-C
  • C. C=N
  • D. C≡C
Q. Which of the following has the highest ionization energy? (2020) 2020
  • A. Li
  • B. Na
  • C. K
  • D. Rb
Q. Which of the following has the lowest boiling point? (2023)
  • A. H2O
  • B. NH3
  • C. CH4
  • D. HF
Q. Which of the following hydrocarbons is saturated?
  • A. C2H2
  • B. C3H6
  • C. C4H10
  • D. C5H8
Q. Which of the following ions has a d5 configuration?
  • A. Mn2+
  • B. Fe3+
  • C. Cr3+
  • D. V4+
Q. Which of the following ions has a stable octet? (2023)
  • A. Na+
  • B. Cl-
  • C. Mg2+
  • D. All of the above
Q. Which of the following is a bidentate ligand? (2020) 2020
  • A. NH3
  • B. EDTA
  • C. Cl-
  • D. H2O
Q. Which of the following is a carbohydrate? (2023) 2023
  • A. Glucose
  • B. Amino acid
  • C. Fatty acid
  • D. Nucleotide
Q. Which of the following is a carboxylic acid?
  • A. C2H5OH
  • B. C3H6O
  • C. C2H4O2
  • D. C3H8
Q. Which of the following is a characteristic of adsorption? (2023)
  • A. It is a bulk phenomenon.
  • B. It is a surface phenomenon.
  • C. It occurs at high temperatures only.
  • D. It is always exothermic.
Q. Which of the following is a characteristic of elastomers?
  • A. Brittle
  • B. Rigid
  • C. Elastic
  • D. Conductive
Q. Which of the following is a characteristic of unsaturated hydrocarbons?
  • A. Only single bonds
  • B. Contains double or triple bonds
  • C. Higher boiling points
  • D. Less reactive
Showing 451 to 480 of 559 (19 Pages)
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