CBSE BOARD X, asked by arameshamb1971, 4 months ago

it's for my xam, pls

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Answered by rajni300

2

Answer:

please Follow me and brillant my answer

Answered by regatinikhitha2004

0

1st ans b has highest amount of hydrogen ion conc.

2nd :it's because the plaster of paris turns into gypsum

caso4.1/2h20+11/2H20gives caso4.2h20(gypsum)

3rd one it's widely used in making idols

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