Carbon And Its Compounds(General Knowledge > General Science ) Questions and Answers

Question 1. What is the formula for sulfur pentoxide?
  1.    SO2
  2.    SO3
  3.    SO4
  4.    SO5
Explanation:-
Answer: Option D. -> SO5
Question 2. What is the name for MgH2?
  1.    Magnesium hydride
  2.    Magnesium dihydride
  3.    Monomagnesium hydride
  4.    Monomagnesium dihydride
Explanation:-
Answer: Option A. -> Magnesium hydride
Question 3. What is the name for CO?
  1.    Copper Oxide
  2.    Carbon monoxide
  3.    monocarbon oxide
  4.    Copper monoxide
Explanation:-
Answer: Option B. -> Carbon monoxide
Question 4. Bonds between atoms in a molecule form as a result of the sharing of?
  1.    formulas
  2.    electrons
  3.    atoms
  4.    chemicals
Explanation:-
Answer: Option B. -> electrons
Question 5. What is the formula for Sodium Bromide?
  1.    NaBr
  2.    NaBr2
  3.    Na2Br
  4.    Na3Br
Explanation:-
Answer: Option A. -> NaBr
Question 6. A compound consists of two or more elements bound together
  1.    True
  2.    False
Explanation:-
Answer: Option A. -> True
Question 7. Is salt (NaCI) a compound or a element
  1.    Compound
  2.    element
Explanation:-
Answer: Option A. -> Compound
Question 8. Is Iron (Fe) an element or a compound?
  1.    Element
  2.    Compound
Explanation:-
Answer: Option A. -> Element
Question 9. Is water an element or a compound?
  1.    Element
  2.    Compound
Explanation:-
Answer: Option B. -> Compound
Question 10. How many carbon atom/s are present in the compounds CaCO3?
  1.    1
  2.    2
  3.    3
  4.    4
Explanation:-
Answer: Option A. -> 1
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