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Subject: Science, asked on 8/10/16

what is a molecule.

Subject: Science, asked on 20/11/16

For some elements we have more than one no. of valencies , so which valency would we use while writing a chemical formula

Subject: Science, asked on 14/11/16

identify the ions present in aluminium sulphate

Subject: Science, asked on 14/11/16

compare chlorine atom with chlorine ion  

Subject: Science, asked on 5/3/17

calculate the volume of the NH3 gas produced at STP when 140g of nitrogen gas reacts with 30g of hydrogen gas.

( atomic mass of N=14 , H = 1 ) 

Subject: Science, asked on 19/10/16

hey! plz give me questions of chapter atoms and molecules

Subject: Science, asked on 31/10/14

WHICH OF THE FOLLOWING IS A NOBLE GAS?

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