Chapter 1 Chemical Reactions and Equations – Page 2 – HI MCQ!

Consider the given statements and choose the incorrect one?

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A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’?

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In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?

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Electrolysis of water is a decomposition reaction. The molar ratio of hydrogen and oxygen gases liberated during electrolysis of water is Problems?

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When S02 gas is passed through saturated solution of H2S, which of the following reaction occurs?

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Which one of the following processes involve chemical reactions?

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In the reaction Hg2Cl2 + Cl2 -> 2HgCl2 The reducing agent is?

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Which one of the following processes involve chemical reactions?

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A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?

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The brown gas evolved on heating of copper nitrate is?

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