LAKHMIR SINGH & MANJIT KAUR-TEST PAPER 3-Section B
- Distinguish between the arrangement of elemens in Medeleev's peroidic ...
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- A students is performing displacement reactions of metals with salt so...
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- An organic compound C(2)H(4)O(2) is taken in a test-tube and a pinch o...
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- While performing an experiment by using a given voltmeter, a student o...
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- A Student carries out the decomposition reaction of lead nitrate to fo...
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- While working in a chemistry laboratory, a student took some zinc gran...
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- A student visits a Hill station in North India during the summer vacat...
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