Chemistry

The property by which carbon atoms bond with other carbon atoms to form long chains is called:

What is the general formula for the alkane homologous series?

Which gas is commonly known as 'marsh gas'?

What is the percentage of carbon dioxide in the Earth's atmosphere approximately?

Which allotrope of carbon is used as a lubricant and in pencil leads?

Dry ice is the solid form of which substance?

How many valence electrons does a carbon atom have?

Which of the following is a greenhouse gas?

The process of heating wood in the absence of air to obtain charcoal is called:

What is the molecular formula of Ethane?

Which gas is used in fire extinguishers because it does not support combustion?

What color does lime water turn when carbon dioxide is passed through it?

Which form of carbon is used in the purification of water and to remove odors?

Which of the following contains the highest percentage of carbon?

What type of chemical bond is primarily formed by carbon?

The fuel used in our homes in gas cylinders (LPG) is mainly:

Which of the following is an amorphous form of carbon?

What is the valency of carbon?

Which gas is produced when calcium carbonate reacts with dilute hydrochloric acid?

Carbon monoxide is dangerous because it reacts with: