PTS Chemistry Mcqs Online Test 6

by June 26, 2018 Chemistry

PTS Chemistry Mcqs Online Test 6 Preparation Question Answer

Quantum number values for 3p orbitals are?

n=3 l=2 .
n=3 l=0
n=3 l=1
n=3 l=3

Correct!

Wrong!

When fast neutron strike the nucleus of nitrogen the particles ejected are?

? - particles
? - particles
? - rays
X - rays

Correct!

Wrong!

The molecules of CO2 in dry ice form?

Ionic crystal
Covalent crystal
Molecular crystal
Any type of crystal

Correct!

Wrong!

Plasma is used in?

. Fluorescent bulb
Neon signs
Lasers .
All of these

Correct!

Wrong!

A real gas obeying vander waals equation will resemble the ideal gas if?

Both a and b are small
Both a and b are large
a is small and b is large
a is large and b is small

Correct!

Wrong!

Only London dispersion forces are present among the?

Molecules of water in liquid state .
Atoms of helium in gaseous state at high temperature
Molecules of hydrogen chloride gas
Molecules of solid iodine

Correct!

Wrong!

Which of the following is pseudo solid?

CaF2 .
NaCl
Glass
Diamond

Correct!

Wrong!

Bohrs model is contradicted by?

Plancks theory .
Dual nature of matter .
Heisenbergs uncertainty principle
All of these

Correct!

Wrong!

A method of separation of components from its solution using Distribution law is?

Sublimation
. Crystallisation .
Solvent extraction
Distillation

Correct!

Wrong!

Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is?

one / seventeen
sixteen / seventeen
one / three
two / three

Correct!

Wrong!

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