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Subject: Chemistry, asked on 25/9/16

Identify the resulting solutions of the following salts as acidic/ alkaline/ neutral on dissolution in water:
a) Na2CO3
b) NH4Cl
c) KCl
d) CH3COONH4

Subject: Chemistry, asked on 26/11/16

XCl2​  is the chloride of a metal X.
write down the formula of the sulphate and the hydroxide of the metal X.

Subject: Chemistry, asked on 14/10/16

If phenolphthalein changes to pink in basic solutions and remains colourless in acidic solutions then what would be its reaction in neutral solution? If it remains colourless then how can we differentiate between acid and neutral solutions using phenolphthalein?

Subject: Chemistry, asked on 13/10/16

Name the following.
a) a metal hydroxide which is soluble in NaOH solution but insoluble in NH4OH solution.
B) 2 gases which chemically combine to form a solid
C) an anhydrous crystalline salt
d) a nitrate that leaves no residue on heating
e) a gas which when bubbled through copper sulphate solution results in the formation of a deep blue coloured solution
f) an efflorescent salt prepared by titration
g) a deliquescent salt prepared by direct combination.

Subject: Chemistry, asked on 31/3/19

which country has the right to do sex

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