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How many gram of H3PO4 would be needed t...

How many gram of `H_3PO_4` would be needed to neutralise 50 gm of` Mg(OH)_2` ?

A

112g

B

181g

C

56.3g

D

30.8g

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AAKASH INSTITUTE ENGLISH-TEST 6-EXAMPLE
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  7. The number of atom in 4.25g of CH4 is approx:

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