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Give two important uses of washing soda and baking soda

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What is a neutralization reaction? Give two examples.

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Plaster of Paris should be stored in a moisture-proof container. Explain why?

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A milkman adds a very small amount of baking soda to fresh milk. (a) Why does he shift the

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Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.

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Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A

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Five solutions A, B, C, D and E when tested with universal indicator showed pH

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Why do acids not show acidic behaviour in the absence of water?

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Why does distilled water not conduct electricity, whereas rain water does?

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Compounds such as alcohols and glucose also contain hydrogen but are not categorized

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Write word equations and then balanced equations for the reaction taking place when

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Which one of the following types of medicines is used for treating indigestion? (a) Antibiotic

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10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl.

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A solution reacts with crushed egg-shells to give a gas that turns lime-water milky.

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A solution turns red litmus blue, its pH is likely to be (a) 1 (b) 4 (c) 5 (d) 10

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Write an equation to show the reaction between Plaster of Paris and water.

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What will happen if a solution of sodium hydrocarbonate is heated?

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Name the sodium compound which is used for softening hard water.

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Name the substance which on treatment with chlorine yields bleaching powder?

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What is the common name of the compound CaOCl2?

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