Substance in the surroundings their states and properties

Substance in the surroundings their states and properties

1. Melting of wax change its ______.

1) none
2) shape
3) state
4) both 1 and 2

2. Who showed that chacacteristic properties of a substance depend on its physical state ?

1) J. Willard Gibbs
2) George Washington carver
3) Edison
4) C. V. Raman

3. Which is the unit of measuring temperature ?

1) Degree Celsius
2) Ampere
3) Pascal
4) Kelvin

4. Boiling point of water is _______.

1) 20 degree celsius
2) 90 degree celsius
3) 120 degree celsius
4) 100 degree celsius

5. Boiling point of candle is __________.

1) 350 degree celsius
2) 60 degree celsius
3) 100 degree celsius
4) 250 degree celsius

6. Dry ice means _______________.

1) Solid carbon
2) Solid carbon monoxide
3) Solid carbon hydroxide
4) Solid carbon dioxide

7. Freezing point of iron is ________.

1) 1535 degree celsius
2) 954 degree celsius
3) none
4) 2862 degree celsius

8. Glass is made up from _______.

1) sand ( silica )
2) soil
3) carbon
4) stone

9. Which is not sublimating substance .

1) Iodine
2) Sugar
3) Camphor
4) Naphthalene

10. The rubber band go back to thier original shape this show _______ property.

1) Densities
2) Elasticity
3) Hardness
4) Fluidity

11. Metal produce a ringing sound this property is called _______ of metals.

1) Sonority
2) Malleability
3) C Thermal Conductivity
4) Ductility

12. Metal can be converted into sheet by hammering this property of metals is called ___________.

1) Sonority
2) Malleability
3) None of these
4) Ductility

13. How many states of water is in our surroundings ?

1) 1
2) 4
3) 2
4) 3

14. Which is not property of metal ?

1) Ductility
2) Solubility
3) Sonority
4) Malleability

15. Chalk have property :....

1) Hardness
2) Transparency
3) Brittleness
4) Elasticity

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