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Subject: Chemistry, asked on 5/6/16

formula of magnesium nitride

Subject: Chemistry, asked on 18/5/16

physical and chemical changes- definition, chaaracteristics, difference and examples.

Subject: Chemistry, asked on 1/4/16

If phenolphthalein and turmeric are separately added to lime water what will b d colour change ?

Subject: Chemistry, asked on 28/2/16

What is the chemical equation of dichlorodiphenyle trichloro ethane?

 

Subject: Chemistry, asked on 10/2/16


give at least 3 reasons for painting a metal surface.

Subject: Chemistry, asked on 9/2/16


give examples of ores.
 

Subject: Chemistry, asked on 9/2/16

how can the study of chemistry be beneficial to us?????

Subject: Chemistry, asked on 9/2/16


can soaps and detergents be considered as pollutants??why or why not??

Subject: Chemistry, asked on 6/2/16

please. give. asset. type. questions in science

Subject: Chemistry, asked on 7/1/16

what do you mean by sonorus metals?

Subject: Chemistry, asked on 6/1/16

what is the meaning of sonority? As when a metal is struck it produces a sound so it is said to be sonorous what is sonorous?

Subject: Chemistry, asked on 25/12/15

what does chemistry means?
How man found chemistry?
How did he knew it does exists?
my last question:
WHY?

Subject: Chemistry, asked on 2/12/15

which i ask a question it is based on meritnation points

Subject: Chemistry, asked on 26/10/15

balance the following equation :
   
P2O + H20 = P6H4 + O2

Subject: Chemistry, asked on 25/9/15


__(NH4)3PO4 + __Pb(NO3)4 ----Pb3(PO4)4 + ___NH4NO3

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