chemistry MCQs

1.     When 100g of CaCO₃ is heated then 44 g of CO₂ and 56 g of CaO is produced. The limiting reactant is:

a)     CaCO₃

b)    CaO

c)     CO₂

d)    None of these

2.     CH₂O is the empirical formula of

a)     Acetic acid

b)    Fructose

c)     Glucose

d)    All of these

3.     Combustion analysis  is

a)     Volumetric analysis

b)    Quantitative analysis

c)     Qualitative analysis

d)    All of these

Answer 1: (D)

Answer 2: (d)

Answer 3: (b)

 volumetric analysis means titration.