Q9
1 markMCQSection A

Several factories were pouring their wastes in rivers A and B. Water samples were collected from these two rivers. It was observed that sample collected from river A was acidic while that of river B was basic. The factories located near A and B are

Acids, Bases and Salts
Acids, Bases and Salts

Options

(0)Soaps and detergents factories near A and alcohol distillery near B.
(1)Soaps and detergents factories near B and alcohol distillery near A.
(2)Lead storage battery manufacturing factories near A and soaps and detergents factories near B.
(3)Lead storage battery manufacturing factories near B and soaps and detergents factories near A.
Official Answer

Lead storage battery manufacturing factories near A and soaps and detergents factories near B.

lead storage battery manufacturing factoriessoaps and detergents factories

Marking Scheme

  • 11 mark

Analysis & Explanation

The factories located near river A are lead storage battery manufacturing factories because they produce acidic waste. The factories located near river B are soaps and detergents factories because they produce basic waste.

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2020?

This question carries 1 mark in the CBSE Class 10 Science 2020 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 "Acids, Bases and Salts" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2020 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2020 paper.