According to Avogadro's Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called:
A. A molecule
B. A cation
C. An anion
D. An atom
Answer: Option A
A. A molecule
B. A cation
C. An anion
D. An atom
Answer: Option A
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
according to avogadro smallest particle is molecule, but actually smallest elements is atom.