What is the molecular formula for Nitric acid ________ ?
A. HNO2
B. HNO3
C. HN2O2
D. H2NO4
What is the molecular formula for Nitric acid ________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. HNO2
B. HNO3
C. HN2O2
D. H2NO4
What is the molecular formula for Nitric acid ________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. It does not carry any charge
B. It does not move
C. It is a fundamental particle
D. It is present in nucleus
The discovery of neutron became very late because _______ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert Millikan
The absolute value of charge on electron was determined by ________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. 17.031 g/mol
B. 18.031 g/mol
C. 19.031 g/mol
D. 27.033 g/mol
What is the molecular weight of Ammonia (NH3) ________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. Nucleon numbera
B. Mass number
C. Atomic number
D. Both A and B
Sum of protons and neutrons in an atom gives off _________ ? Read More »
Chemistry Mcqs A. Sharing of electrons
B. Transfer of electrons
C. Losing of electrons
D. Gain of electrons
Which among the following is not a property of Ionic bond _________? Read More »
Chemistry Mcqs A. Zeolites
B. Sulphonides
C. Lime
D. Nitrates
A. Zn(OH)2
B. ZNO2
C. Zn2(OH)3
D. ZnOH
What is the Chemical formula of Zinc Hydroxide _________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs A. 1
B. 2
C. 3
D. 4
The valency of carbon is 4. As the atomic number of carbon is 6, it has a total of 6 electrons in one atom arranged in the following configuration. it needs to add 4 more electrons to the 2p sub-shell, or lose 4 electrons from the 2s and 2p sub-shells.
The valency of carbon Atom is __________ ? Read More »
Chemistry Mcqs, Everyday Science Mcqs