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VGS PUBLICATION-BRILLIANT-METALS AND NON-METALS-EXERCISE
- How do non-metals generally react with acids?
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- Which of the following is metal displacement reaction
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- Which metal has highest ductility?
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- Sodium and potassium are stored in kerosene. Why?
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- Are all metals hard ?
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- Which non-metal has lustrous surface ?
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- Name one non-metal which is quite hard.
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- Give reasons for the following : Immersion rods for heating liquids ar...
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- Give reasons for the following : Immersion rods for heating liquids ar...
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- Copper cannot displace zinc from its salt solution. Give reason.
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- Why are aluminium foils used to wrap food items ?
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- what are different types of food sources.?
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- The doctor reported iron deficiency in my body. Where is iron in my bo...
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- I heard that magnesium is found in plants. In what form is it found in...
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- Gold jewellery does not become dull. Why ?
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- Predict the reason behind gold and platinum jewellery does not become ...
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- Which ga makes a pop sound if exposed to lighted matchstick?
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- Which substance liberates hydrogen when reacts with metals?
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- In a chemical reaction iron is unable to displace zinc from zinc sulph...
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- Why do silver jewellery, tarnish black after sometime ?
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