1
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
0.126 g of an acid is needed to completely neutralise 20 mL 0.1 (N) NaOH solution. The equivalent weight of the acid is
A
53
B
40
C
45
D
63
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
You are supplied with 500 mL each of 2N HCl and 5N HCl. What is the maximum volume of 3M HCl that you can prepare using only these two solutions?
A
250 mL
B
500 mL
C
750 mL
D
1000 mL
3
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
Change Language
What will be the normality of the salt solution obtained by neutralising x mL y (N) HCl with y mL x(N) NaOH, and finally adding (x + y) mL distilled water
A
$${{2(x + y)} \over {xy}}N$$
B
$${{xy} \over {2(x + y)}}N$$
C
$$\left( {{{2xy} \over {x + y}}} \right)N$$
D
$$\left( {{{x + y} \over {xy}}} \right)N$$
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