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Earn 100

Name a colourless gas having burning sulphur smell which turns lime water milky.
Important Questions on Material : Metals and Non-Metals
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Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

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EASY

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How do metal oxides differ from non-metal oxides?

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What happens when metals react with dilute acids?

HARD

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Phosphorus is kept in water. Why?

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Sodium, Sulphur, Carbon, Magnesium. Which of these elements will form acidic oxides?

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When sulphur burns in air, it combines with the oxygen of air to form sulphur dioxide gas. Is it acidic in nature?

