WB JEE 2018 | Some Basic Concepts of Chemistry Question 14 | Chemistry

WB JEE 2018

MCQ (Single Correct Answer)

-0.33

How many moles of electrons will weigh one kilogram?

6.023 $$\times$$ 10²³

$${1 \over {9.108}} \times {10^{31}}$$

$${{6.023} \over {9.108}} \times {10^{54}}$$

$${1 \over {9.108 \times 6.023}} \times {10^8}$$

WB JEE 2018

MCQ (Single Correct Answer)

-0.5

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

MCl

MCl₂

MCl₃

MCl₄

WB JEE 2017

MCQ (Single Correct Answer)

-0.25

Which of the following has the dimension if [$$M{L^0}{T^{ - 2}}$$] ?

Coefficient of viscosity

Surface tension

Vapour pressure

Kinetic energy

WB JEE 2017

MCQ (Single Correct Answer)

-0.25

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

1 : 4

4 : 1

1 : 2

2 : 1

WB JEE Subjects