Chemistry Mcqs | Environmental Chemistry

Which of the following air pollutants is more dangerous for ozone layer ?

Byadmin March 17, 2019July 9, 2022

Which of the following air pollutants is more dangerous for ozone layer ?

A. CFC
B. CO2
C. CO
D. Oxides of nitrogen

Chemistry Mcqs | Transition Elements

The compound or complex ion which has a ring in its structure__________________?

The compound or complex ion which has a ring in its structure__________________?

A. polydentate ligand
B. chelate
C. monodentate ligand
D. hydrate

Read More The compound or complex ion which has a ring in its structure__________________?
Chemistry Mcqs | Gases

Which of these gases diffuse more quickly than oxygen ?

Which of these gases diffuse more quickly than oxygen ?

A. H2S
B. NO
C. Cl2
D. N2O

Read More Which of these gases diffuse more quickly than oxygen ?
Chemistry Mcqs | Gases

At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?

At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?

A. Half
B. Double
C. Same
D. None

Read More At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
Chemistry Basic Concept | Chemistry Mcqs

How many isotopes have odd atomic number ?

How many isotopes have odd atomic number ?

A. 154
B. 280
C. 86
D. 300

Read More How many isotopes have odd atomic number ?
Chemistry Mcqs | Periodic Classification

Shielding effect across the period_________________?

Shielding effect across the period_________________?

A. Increases
B. Decreases
C. Can not be predicted
D. Remains constant

Read More Shielding effect across the period_________________?
Chemistry Mcqs | Electrochemistry

Which has maximum oxidation number ?

Which has maximum oxidation number ?

A. N
B. Cr
C. S
D. Mn

Read More Which has maximum oxidation number ?