QUESTION | ANSWER |
What is the melting point of ice? 0 oC 12 oC
32 oC
100 oC
| 0 oC |
What is the boiling point of water? 0 oC
32 oC
50 oC
100 oC
| 100 oC |
Water has maximum density at 0 oC
4 oC 32 oC
100 oC
| 4 oC |
Chlorine is added to drinking water to kill microbes that cause illness. This is known as Elimination
Chlorination Microbe Termination
Vaporization
| Chlorination |
The process of conversion of water vapor to water on the surface of a cold glass tumbler is known as Evaporation
Boiling
Condensation Vaporization
| Condensation |
Water which is absolutely pure and free from any impurity is known as Mineral Water
Distilled Water Spring Water
Boiled Water
| Distilled Water |
Steam is the _______ form of water. Gaseous Solid
Liquid
Impure
| Gaseous |
A salt which absorbs water is called: Anhydrous Salt
Hydrophilic Salt
Hygroscopic Salt Hydrophobic Salt
| Hygroscopic Salt |
Water in solid form is known as Soda
Crystal
Ice Dry Ice
| Ice |
Most of the pure, drinkable water of the earth is in form of Icebergs Vapor and Clouds
Spring and River water
Water in the Oceans
| Icebergs |
Water at room temperature is a Liquid Solid
Gas
Plasma
| Liquid |
Water that is suitable for drinking is known as Chlorinated Water
Distilled Water
Natural Water
Potable Water
| Potable Water |
What falls to the ground when clouds become too heavy? Rain (Raindrops) Lightning
Thunder
Mineral Salts
| Rain (Raindrops) |
Conversion of water into water vapor is known as Vaporization Boiling
Freezing
Condensation
| Vaporization |
What is formed when hydrogen burns in oxygen? Water Carbon Dioxide
Hydrogen Peroxide
Carbon Monoxide
| Water |
Earth is known as the blue planet because of the presence of Atmosphere
The continents
Water Sky
| Water |
Water exerts pressure on the walls and the bottom of the container in which it is placed. True False
| True |
Objects appear to weigh less in water than air. True False
| True |
Hardness of water is caused by the presence of certain salts in it. True False
| True |
Water is known as the universal solvent. True False
| True |
The density of ice is greater than that of water. True
False
| False |
It is easy to make lather with hard water. True
False
| False |