Q3
1 markMCQSection A

A chemical compound used in glass, soap and paper industries is

Acids, Bases and Salts
Salts

Options

(A)Washing Soda
(B)Baking Soda
(C)Bleaching Powder
(D)Common Salt
Official Answer

A

Washing Sodaglass, soap and paper industries

Marking Scheme

  • 11 Mark for selecting the correct option (A).

Hint

This compound is sodium carbonate decahydrate, commonly known for its cleaning properties and industrial use in manufacturing glass and paper.

Quick Oral Answer

Washing soda (sodium carbonate) is the chemical compound used in glass, soap, and paper industries.

Analysis & Explanation

Washing soda (sodium carbonate, Na2CO310H2ONa_2CO_3 \cdot 10H_2O) is widely used in glass, soap, and paper industries.


  • Option B (Baking Soda, NaHCO3NaHCO_3) is primarily used in baking and as an antacid.
  • Option C (Bleaching Powder, CaOCl2CaOCl_2) is used for bleaching cotton and linen and disinfecting water.
  • Option D (Common Salt, NaClNaCl) is used as a raw material for making various chemicals but not directly as a primary component in glass and paper manufacturing in the same manner as washing soda.

Common Mistakes

  1. 1Confusing the industrial uses of washing soda with baking soda.

Interesting Facts

Washing soda can remove permanent hardness of water, making it highly useful in laundry and cleaning applications.

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2024?

This question carries 1 mark in the CBSE Class 10 Science 2024 examination.

Which chapter does this question come from in Science?

This question is from the chapter "Acids, Bases and Salts" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Salts" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2024 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2024 paper.