Question

1. Which material is called 'black gold'? Why?
2. Describe the process of formation of petroleum.
3. What are petrochemicals? Name any two petrochemicals.
4. Why are petrochemicals so important?

Answer 1

αnswers :-

☯ Which material is called 'black gold'? Why?

• Crude oil is also called as black gold.

• It is called black gold because it is black in colour and it is precious as gold.

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☯ Describe the process of formation of petroleum.

• The dead and decaying matter of plants, animals, Organisms etc is mixed up with silt and sand and sink in.
• After millions of years it sinks in more deeper like under the sedimentary rocks, And forms into dark liquid.

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☯ What are petrochemicals? Name any two petrochemicals.

→ The chemical products made from natural gas and petroleum are called petro chemicals.

→ The products made using organic chemicals, The chemicals extracted from natural gas, Coal, petroleum and other renewable sources are called petrochemicals.

Example –

• Fertilizers and detergent.

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☯ Why are petrochemicals so important?

→ Petro chemicals are very important because they are useful for us in many ways.

→ Many products made using petro chemicals are utilised in our daily life.

For example –

• Paints, Synthetic fibres, Rubber, Fertilizers, Pesticides, Soap, Shampoo, Detergent etc.

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More to know :-

• Ethylene is a petrochemical used to make plastics.
• Petrochemicals are harmful in few cases.
• Acrylic products are derived from petroleum and natural gas.
• Medicines and cosmetics are also derived from petrochemicals.

Answer 2

$\Large \dag \mathfrak \color{red}{~~Question :-}$

Q1. Which matireal is called 'black gold'? Why?

Q2. Describe the process of formation of petroleum?

Q3. What are petrochemicals? Name any two petrochemicals.

Q4. Why are petrochemicals so important?

$\Large \dag \mathfrak \color{green}{~~Answer :-}$

Ans 1. $\Leftrightarrow$ Petroleum is called as the black gold. Petroleum is a naturally occurring element that is in a liquid state. It is either yellow or black in colour.

Ans 2. $\Leftrightarrow$ It takes around millions of years for petroleum to form. It is formed due to the presence of decomposed carcasses of dead animals beneath the surface of the earth. These carcasses of dead animals are subjected to extreme pressure and heat.

Ans 3. $\Leftrightarrow$ Petrochemicals are important organic chemicals, derived from petroleum products, LPG and coal. Two products are plastics and acrylic fibres.

Ans 4. $\Leftrightarrow$ Petrochemicals are important because they are used to make synthetic fibre which are know used in our day-to-day life.

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