9th Chemsitry Chapter6 Solution
| Sr # | Questions | A | B | C | D |
|---|---|---|---|---|---|
| 1 | Which one of the following is heterogeneous mixture ? | milk | ink | milk of magnesia | sugar solution | 2 | A solution of NaOH has a concentration of 4g/dm^3. What is the mass of NaOH contained in 250cm^3 of this solution? | 40g | 20g | 1g | 2g | 3 | Which one of following solutions contains more water? | 2M | 1M | 0.5M | 0.25M | 4 | When a saturated solution is diluted it turns into : | supersaturated solution | saturated solution | a concentrated solution | unsaturated solution | 5 | Which quantity is the same for one mole of hydrogen gas and one mole of water ? | mass | number of atoms | number of molecules | number of gram atomic mass | 6 | If the slute -solute forces are strong enought than those of solute -solvent forces . | dissolves readily | does not dissolve | dissolves slowly | dissolves and precipitates | 7 | if one mole of Na contains X atoms of sodium, wht is the number of moles contained in 46g of sodium ? | X | 2 | 2X | 1.5X | 8 | The maximum amount of sodium acetate that dissolves in 100g of water at 0oC is 119g and 170g at 100oC . If you place 170g of sodium acetate in 100g of water at 0oC , the resulting solution would be: | Unsaturated | saturated | supersaturated | 1M | 9 | Fog is an example of a solution of : | liquid in gas | gas in liquid | solid in gas | gas in solid | 10 | Molarity i sthe number of moles of solute dissolved in: | 1kg of solution | 100 g of slovent | 1 dm^3 of solvent | 1 dm^3 of solution | 11 | What is mass of 5 mole of hydrogen gas ? | 5g | 5.04g | 10.08g | 1.008g | 12 | Which one of the following is a liquid in solid solution ? | sugar in water | butter | opal | fog |