Advance round Chemistry Quiz

What is the common name for ethanoic acid?

• Acetic acid

• Aspirin

• citric acid

• tartaric acid

What is the main gas found in the air we breathe?

• Nitrogen

• oxygen

• carbon dioxide

• carbon monoxide

The number of moles of solute present in 1 kg of a solvent is called its

• molality

• molarity

• normality

• formality

what is mass spectrometry used to identify?

• Chemical Composition

• Molecular structure

• Physical properties

• atomic weight

what is the name of apparatus of given picture

• dropping funnel

• separating funnel

• pear shaped funnel

• Buchner funnel

The mass of one mole of the substance in grams is the meaning for ...

• Mole

• Molar mass

• Relative atomic mass

• Number of particles

What term describes a solid changing to a gas?

• Deposition

• Sublimation

• Evaporation

• Freezing

Marsh gas is

• ethane

• acetylene

• methane

• carbide

hardest substance

• graphene

• diamond

• iron

• graphite

which gas is commonly known as laughing gas

• Nitrogen

• oxygen

• nitrous oxide

• carbon dioxide