Advertisements
Advertisements
प्रश्न
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
Advertisements
उत्तर
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | E: CaSO4 |
| 2. A white efflorescent crystal | A: Na2SO4.10H2O |
| 3. A hygroscopic dehydrating agent | D: conc. H2SO4 |
| 4. A deliquescent alkali | B: NaOH |
| 5. A substance present in temporary hard water | C: Ca(HCO3)2 |
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Iron .
Give one word for the following statement:
The harmful substances dissolved in water .
What is the effect of impurities present in the water on the melting point and boiling point of water?
Explain why:
Fused CaCl2 or conc. H2SO4 is used in a desiccator.
Household detergents contain mainly ______ and pollute water bodies.
Explain any two environmental impacts of an ‘oil spill’.
Around 97% of water available on earth is ______ water.
Condensation results in the formation of dew on grass.
State whether the following statement is True or False. If false, give the correct statement.
51% of the earth’s surface is covered with water
Fill in the blanks selecting words from the following list
snow, rain, clouds, vapour, evaporation, transpiration.
Water, as ______ goes into atmosphere by the processes of ______ and ______ and forms ______, which on condensation fall in the form of ______ and ______.
