Chemistry MCQ'S 1

(1) Chemistry is about the investigation of __________.
(a)Matter 
(b)Energy 
(c)Both 
(d) None of these
ANSWER: (a)

(2) Quantity of matter contained by a body is called _______.
(a)Density 
(b)volume 
(c)Mass 
(d) All
ANSWER: (c)

(3) A substance in which all the atoms are chemically similar is called _______.
(a)Compound 
(b)Molecule  
(c) Element 
(d) N.O.T
ANSWER: (c)

(4) Which is chemical change among the following ?
(a) Melting of ice 
(b) formation of vapors 
(c) Burning of piece of paper 
(d) N.O.T
ANSWER: (c)

(5) Which is physical change ?
(a) Burning of paper 
(b) burning of piece of paper 
(c) Rusting of iron 
(d) Burning of candle
 ANSWER: (d)