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MBD-QUESTION PAPER 2020-EXERCISE
- Process of separating grain from chaff is called ………..
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- Packet milk does not get spoiled for longer time, why?
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- Today teacher taught about nylon fiber. Nylon is used to make:
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- Which metal is used in thermometer?
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- Which of the following is obtained from coal tar?
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- Make labelled diagram of candle flame.
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- Give reasons for the following : Sodium and pottasium are stored in k...
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- Can you store lemon pickle in an aluminium utensil? Explain.
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- What happens when: Iron nails are placed in a copper sulphate solutio...
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- Write two properties of metals.
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