| 1 |
Silver+ hydrogen suolphide+Oxygen--------------- Silver sulphide + water The above reaction is known as. |
- A. Combustion
- B. Rusting
- C. Tarmishing
- D. Dehydration
|
| 2 |
The white blood cells are stored by |
- A. Tonsils
- B. Appendix
- C. Spleen
- D. None of these
|
| 3 |
Which blood vessesl have valves in it. |
- A. Capillaries
- B. Artery
- C. Vein
- D. Arteriole
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| 4 |
The Moon creates tides also in our atmosphere, they are called. |
- A. Winds
- B. Solar tides
- C. Lunar wind
- D. Tides
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| 5 |
What is the season on 22 June in the southern hemisphere. |
- A. Spring
- B. Autumn
- C. Sumer
- D. Winter
|
| 6 |
A solution is named after the name of |
- A. Solvent
- B. Solute
- C. Mixture
- D. None of these
|
| 7 |
The contraction of the objects on cooling is due to. |
- A. Reduction in size of the particles
- B. Increase in size of the particles
- C. Increase in inter particles distances
- D. Decrease in inter particle distances
|
| 8 |
Sajeet the one that is different from the otehrs. |
- A. Solubility
- B. Conductance
- C. Oxidation
- D. Coiling of a substance
|
| 9 |
Growth of microorganisms canbe controlled by |
- A. Dehydration
- B. Drying
- C. Adding preservative
- D. a,b,c all
|
| 10 |
The rise of liquid in the thermomeer is due to. |
- A. Evaporation
- B. Contraction
- C. Expansion
- D. Sublimation
|