Question

ASSET QUESTIONS 1. Which gas will you fill in the empty bubble? A. Nitrogen B. Oxygen C. Carbon dioxide D. Water Vapour

Answer 1

Nitrogen (as it is lightest)

Answer 2

Option (A) Nitrogen is the correct option.

• The empty bubbles are filled with nitrogen gan inside them.
• Nitrogen gas is a colourless, odourless, tasteless gas which is one of the most abundant gas present in the environment.
• Nitrogen is the most plentiful element in Earth's atmosphere and is a constituent of all living matter.
• Nitrogen constitutes 78% of the atmospheric gases present it is estimated about 4,000 trillion tonnes of nitrogen.
• Nitrogen gas is also inert that is it does not reacts easily with other elements present.
• Nitrogen is also important in our life nitrogen is an essential nutrient for sustaining life on Earth. It is the core component of amino acids which are the building block of proteins and nucleic acid.

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