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LAKHMIR SINGH & MANJIT KAUR-PHYSICAL AND CHEMICAL CHANGES-EXERCISE
- Name the metal which is used for galvanising iron.
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- Name the susbtances which are mixed (allowed) with iron to make stainl...
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- Name the process which can be used to purify an impure sample of coppe...
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- Name the process by which common salt is obtained from sea-water.
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- Name the process by which common salt is purified.
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- Name a substance which can be purified by crystallisation.
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- Name the gas that turns lime water milky is
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- State whether the following statements are true or false : Cutting a...
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- State whether the following statements are true or false : Formation...
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- State whether the following statements are true or false : Condensat...
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- State whether the following statements are true or false : Iron and ...
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- State whether the following statements are true or false : Iron pipe...
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- Classify the changes involved In the following processes as physical o...
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- Classify the changes involved In the following processes as physical o...
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- Classify the changes involved In the following processes as physical o...
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- Classify the changes involved In the following processes as physical o...
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- Classify the changes involved In the following processes as physical o...
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- Classify the changes involved In the following processes as physical o...
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- Which of the following are physical changes and which are chemical cha...
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- Which of the following are physical changes and which are chemical cha...
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