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Chapter 11 - Heat and Thermodynamics - 7
1.
Hydrocarbons are the compounds of?
a) carbon and hydrogen
b) carbon and nitrogen
c) hydrogen only
d) carbon only
2.
Gases can be compressed by applying pressure. It is related to?
a) biochemistry
b) organic chemistry
c) physical chemistry
d) nuclear chemistry
3.
Radium decays by emitting alpha particles and is converted into radon. It is related to?
a) organic chemistry
b) biochemistry
c) nuclear chemistry
d) analytical chemistry
4.
Calorimeter is used to measure the amount of heat absorbed or emit by a substance. It is studied in?
a) biochemistry
b) analytical chemistry
c) nuclear chemistry
d) inorganic chemi
5.
Anything that occupies space and has a mass is known as?
a) subatomic particle
b) compound
c) substance
d) matter
6.
Any matter that has particular properties that differ from the properties of other kind of matter is known as?
a) substance
b) atom
c) water
d) compound
7.
Which one of the following is regarded as a substance?
a) water
b) all of these
c) urea
d) air
8.
A substance that can't be converted to other simpler substances is known as?
a) compound
b) substance
c) matter
d) element
9.
Which one of the following is Not an element?
a) iron
b) oxygen
c) aluminium
d) sodium chloride
10.
Which one of the following is Not a molecular form?
a) H
2
b) O
2
c) 2H
d) N
2
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