Question

please give two uses each​

Answer 1

Answer:

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Answer 2

Answer:

•O

1) In cells, oxygen is needed for aerobic respiration, which allows for the extraction of energy from ingested foods. Thus supplemental oxygen at home and in hospitals is vital for those with breathing disorders such as emphysema.

2Oxygen gas (O2) is needed to produce energy in things not linked to an electrical supply of their own, such as generators and vehicles (e.g., ships, airplanes and cars)

•C

1)It makes up for 18% of the human body. Sugar, glucose, proteins etc are all made of it. The food we eat contains an important source of energy which we call carbohydrates. Carbohydrates are nothing but elements of carbon itself.

2)Carbon in its diamond form is used in jewellery. But diamonds are also used for industrial purposes. It is the hardest substance known to man and so has many uses in manufacturing processes.

•Cl

1) Making antiseptic

2) Cleaning drinking water

•N

1) Nitrogen for food packaging.

2) It is used in the CPUs of computers in order to prevent them from heating up.

• Gold

1) Jewellery

2) Medals and statues