1
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
How many moles of electrons will weigh one kilogram?
A
6.023 $$\times$$ 1023
B
$${1 \over {9.108}} \times {10^{31}}$$
C
$${{6.023} \over {9.108}} \times {10^{54}}$$
D
$${1 \over {9.108 \times 6.023}} \times {10^8}$$
2
WB JEE 2018
MCQ (Single Correct Answer)
+2
-0.5
Change Language
A metal M (specific heat 0.16) forms a metal chloride with 65% chlorine present in it. The formula of the metal chloride will be
A
MCl
B
MCl2
C
MCl3
D
MCl4
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Which of the following has the dimension if [$$M{L^0}{T^{ - 2}}$$] ?
A
Coefficient of viscosity
B
Surface tension
C
Vapour pressure
D
Kinetic energy
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
In a flask, the weight ratio of CH4(g) and SO2(g) at 298 K and 1 bar is 1 : 2. The ratio of the number of molecules of SO2(g) and CH4(g) is
A
1 : 4
B
4 : 1
C
1 : 2
D
2 : 1
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