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Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Concept: undefined >> undefined
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Concept: undefined >> undefined
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Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Concept: undefined >> undefined
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
Concept: undefined >> undefined
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
Concept: undefined >> undefined
Match the statements in List I with the appropriate answer in List II.
| List I | List II |
| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
| 4. A chemical used in the manufavture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
Concept: undefined >> undefined
Name a ‘pure form’ and an,‘impure form’ of water in the natural state.
Concept: undefined >> undefined
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Concept: undefined >> undefined
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
Concept: undefined >> undefined
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
Concept: undefined >> undefined
Give the importance of dissolved minerals & salts.
Concept: undefined >> undefined
Give the importance of dissolved air – in water.
Concept: undefined >> undefined
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Concept: undefined >> undefined
Select the correct answer of the following statement:
A decahydrate crystal.
Concept: undefined >> undefined
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Concept: undefined >> undefined
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Concept: undefined >> undefined
Give a balanced equation for the following conversion:
Sulphur dioxide to sulphurous acid using a neutral liquid.
Concept: undefined >> undefined
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
Concept: undefined >> undefined
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
Concept: undefined >> undefined
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Concept: undefined >> undefined
