Assertion (A) : To dilute sulphuric acid, acid is added to water and not water to acid. Reason (R) : Specific heat of water is quite large.
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Low temperatures (Cryogenics) find application in
Low temperatures (Cryogenics) find application in
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Cobalt-60 is commonly used in radiation therapy because it emits
Cobalt-60 is commonly used in radiation therapy because it emits
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Which one of the following types of coal contains a higher percentage of carbon than the rest
Which one of the following types of coal contains a higher percentage of carbon than the rest ?
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Which one of the following is a useful functional association between fungi and the roots of higher plants
Which one of the following is a useful functional association between fungi and the roots of higher plants ?
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When ants bite, they inject
When ants bite, they inject
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Which one of the following agricultural practices is eco-friendly
Which one of the following agricultural practices is eco-friendly ?
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Strips of two metals A and B are firmly joined together as shown in the figure(Before Heating) On heating, A expands more than B does. If this joined strip is heated, then it will appear as
Strips of two metals A and B are firmly joined together as shown in the figure(Before Heating) On heating, A expands more than B does. If this joined strip is heated, then it will appear as
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Lathyrism is caused by excessive consumption of
Lathyrism is caused by excessive consumption of
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Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because