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1) Solubility depends upon a. temperature b. solute c. solvent d. all of above
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2) Medicinal drugs are bitter in taste hence they are added with a. sugar b. salt c. water d. dry ice
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3) Some metals are so unreactive that they do not react with a. copper b. silver c. gold d. all of above
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4) When a large amount of solute dissolves in a given amount of solvent it forms a. dilute solution b. saturated solution c. aqueous solution d. concentrated solution
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5) The acid which is found in the sting of a bee and the bite of an ant is a. carbonic acid b. lactic acid c. formic acid d. citric acid
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6) A dye or a mixture of dye which changes color according to the acidity or alkalinity of any substance is called a. indicator b. pH scale c. pH meter d. balance scale
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7) The maximum amount of solute which can dissolve in 100g of solvent at room temperature is called a. solubility b. capacity c. eligibility d. tendency
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8) If pH value is less than 7, nature is a. acidic b. basic c. neutral d. normal
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9) A reaction in which an acid and alkali react together to form salt and water is called a. chemical reaction b. physical reaction c. potential reaction d. heat reaction
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10) Wasp sting is neutralized by rubbing skin with a. soap b. orange juice c. vinegar d. anti acid
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