Home
Class 8
CHEMISTRY
Select the correct statement(s). I. Na...

Select the correct statement(s).
I. Natural gas is used for the manufacture of fertilisers.
II. Petrochemicals are used in the manufacture of detergents.
III. Naphthalene balls are obtained from coal tar.

A

I and II only

B

III only

C

II and III only

D

I, II and III

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to evaluate each of the statements provided and determine their accuracy. ### Step-by-step Solution: 1. **Evaluate Statement I**: - **Statement**: Natural gas is used for the manufacture of fertilizers. - **Analysis**: Natural gas, primarily composed of methane (CH4), is indeed used in the production of fertilizers, particularly ammonia, which is a key ingredient in nitrogen fertilizers. Therefore, this statement is **correct**. 2. **Evaluate Statement II**: - **Statement**: Petrochemicals are used in the manufacture of detergents. - **Analysis**: Petrochemicals are derived from petroleum and are used in the production of various chemical products, including detergents. This statement is also **correct**. 3. **Evaluate Statement III**: - **Statement**: Naphthalene balls are obtained from coal tar. - **Analysis**: Naphthalene is indeed derived from coal tar, which is a byproduct of the carbonization of coal. Therefore, this statement is **correct** as well. ### Conclusion: All three statements are correct. ### Final Answer: - **Correct Statements**: I, II, and III are all correct. ---
To solve the question, we need to evaluate each of the statements provided and determine their accuracy. ### Step-by-step Solution: 1. **Evaluate Statement I**: - **Statement**: Natural gas is used for the manufacture of fertilizers. - **Analysis**: Natural gas, primarily composed of methane (CH4), is indeed used in the production of fertilizers, particularly ammonia, which is a key ingredient in nitrogen fertilizers. Therefore, this statement is **correct**. ...
Promotional Banner

Topper's Solved these Questions

  • NSO QUESTION PAPER 2019-20 SET B

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos

  • SAMPLE PAPER 4 (CLASS VIII)

    SCIENCE OLYMPIAD FOUNDATION |Exercise SECTION C - SCIENCE|3 Videos

Similar Questions

Explore conceptually related problems

Coal tar is used in manufacture of:

Naphthalene balls are obtained from coal tar and are used as

Select the correct statement about compound I and compound II from the following :

Name any five useful substances which are manufactured from petrochemicals.

Select the incorrect statement/s regarding downstream processing from the one given below. I. The process occurs during the biosynthetic stage. II. It is there to facilitate increased production of desired product . III. It helps to ensure sterile conditions during the manufacturing of the desired product. IV. Collection of processes to ensure the desired product is ready for marketing.

Following information are known abot a metal M : I. A salt of metal M is used in the manufacture of gunpowder. II. The superoxide of metal M is used as an air purifier in submarines. III. The hydroxide of metal M is used for the absorption of gases like CO_(2),SO_(2) , etc. in eudiometry. Identify the metal M :