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Subject: Chemistry, asked on 9/4/18

Is Class 11 p-blocks important for neet? 

Subject: Chemistry, asked on 3/4/18

Q. Resistance of a conductivity cell filled with a solution of an electrolyte of concentration 0.1M is 100 Ω. The conductivity of this solution is 1.29 S m-l. Resistance of the same cell when filled with 0.02M of the same solution is 52 Ω. The molar conductivity of 0.02M solution of the electrolyte will be
1) 12.4 x S 10-4 m2. mol-l
2) 124 x 10-4 S m2 . mol-l
3) 1240 x 10-4 S m2. mol-l
4) 1.24 x 10-4 S m2. mol-l 

Subject: Chemistry, asked on 30/3/18

Write the principle involved in essay of zinc oxide

Subject: Chemistry, asked on 24/3/18

Alkaline solution of NaNO2 on heating with Zn powder produces a gas. The gas is?

Subject: Chemistry, asked on 21/3/18

Explain effect of heating on Borax

Subject: Chemistry, asked on 8/3/18

why does finely powdered aluminium become hazardous when exposed to air?

Subject: Chemistry, asked on 19/2/18

Draw the orbital structure of B2H6 and also state the hybridization of B

Subject: Chemistry, asked on 16/2/18

Solve this:
 

Subject: Chemistry, asked on 14/2/18

give reasons
the standard E value of Li is most negative

Subject: Chemistry, asked on 14/2/18

give reasons
lithium is not ysed in photoelectric cells

Subject: Chemistry, asked on 8/2/18

Aluminum chloride becomes ionic in its dimer form or in its hydrated state?

Subject: Chemistry, asked on 6/2/18

Write any two harmful effects of Sulphur.

Subject: Chemistry, asked on 4/2/18

How is boric acid prepared from calcium borate?

Subject: Chemistry, asked on 4/2/18

How is boric acid prepared from calcium borate?

Subject: Chemistry, asked on 3/2/18

Write the equation for the manufacture of silicone .

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