1. How many natural physical state of matter are there?
a) Two
b) Three
c) Four
d) Five
2. Which of the following is the molecular formula of dry ice?
a) CO2(g)
b) CO2(l)
c) CO2(s)
d) CO2(aq)
3. What is the full form of PNG?
a) Petrol Natural Gas
b) Pipe Natural Gas
c) Pressurised Natural Gas
d) Pressurised Neutral Gas
4. The matter of liquid state can have any______.
a) Shape
b) Volume
c) Mass
d) Sublimation
5. Kelvin = _____ + celsius.
a) 373
b) 173
c) 273
d) 473
6. Which of the following is a universal solvent?
a) Water
b) petrol
c) Kerosene
d) Alcohol
7. Which of the following is an example of aerosol?
a) Paint
b) Milk
c) Sponge
d) Clouds
8. Which of the following is a compound?
a) Air
b) Sodium Chloride
c) Emulsion
d) Alloy
9. The solution made by adding chalk in water is______.
a) True solution
b) Colloid
c) Suspension
d) Saturated Solution
10. Which of the following substance differs?
a) Brass
b) Air
c) Sand
d) Graphite
11. _______ is a compound.
a) Air
b) Oxygen
c) Hydrogen
d) Carbon Dioxide
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Answer:
1-3
2-CO2(s)
3-petrol natural gas
4-shape
5-273
6-watet
8-sodium chloride
9-colloid
10-air
11-carbon di oxide
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