4. Very short answer questions. 11m
a) Which gas shows the property of combustibility?
b) Define chlorination.
c) What is atmospheric pressure?
d) Name the type of energy stored in a water tank.
e) What are molecules?
f) What is soil conservation?
g) Name the constituents of soil?
h) What is energy?
i) Name the layers of atmosphere.
j) What is loading?
k) What is magnetic force?
Answers
Answer:
a) Natural gas , methane
b) Chlorination is a process of adding chlorine or chlorine compounds to water.
c) It is the pressure exerted by the wt of atmosphere.
d) Potential energy.
e) Molecules are the group of atoms that the bond binds together, representing the smallest unit in a compound.
f) It is a combination of practices used to protect the soil from degradation
g) Mainly inorganic minerals, organic matter, water, and air.
h) Energy is the capacity for doing work.
i) Troposphere, stratosphere, mesosphere and thermosphere.
j) It is a process in which heavy particles settle down at the bottom of container and water comes up.
k) Magnetic Force is a force that attracts certain metal objects (like iron and iron filings) towards a magnet.
Hope u got your Answer.