What happens when a chemical bond is formed ?
A. Energy is always absorbed
B. Energy in always released
C. More energy is released than is absorbed
D. Energy is neither released nor absorbed
Answer: Option B
A. Energy is always absorbed
B. Energy in always released
C. More energy is released than is absorbed
D. Energy is neither released nor absorbed
Answer: Option B
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
Energy release not absorbed