Chemistry MCQs

1.     Efficiency of a reaction is measured by

a)     Rate of reaction

b)    Theoretical yield

c)     %age yield

d)    Value of product

2.     Limitation of a chemical equation is

a)     Condition of reaction

b)    Order of reaction

c)     Rate of reaction

d)    All of these

3.     Metal M reacts with S to produce MS. If 3.6 g of M reacts with 0.09 moles of S then M?

a)     52

b)    40

c)     32

d)    None of these

Answer:

1 (c)

2(d)

3(b)