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Important Questions

Acids, Bases and Salts

Maharashtra Board · Class 9 · Science

Most important questions from Acids, Bases and Salts for Maharashtra Board Class 9 Science board exam 2026. MCQs, short answer, and long answer questions with marks.

44 questions22 flashcards5 concepts

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44 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct

Which of the following are strong acids?

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HCl, H2SO4, HNO3

HCl, H2SO4, and HNO3 are strong acids as they dissociate almost completely in water. CH3COOH and H2CO3 are weak acids.

2true false

Blue litmus paper turns red in acidic solution.

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True

Blue litmus paper turns red in acidic solutions and remains blue in basic solutions. This is a simple test to identify acids.

3multiple choice

Which gas is produced when metals react with acids?

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Hydrogen

When metals react with acids, hydrogen gas is produced. For example: Zn + 2HCl → ZnCl2 + H2.

4multiple correct

Which of the following are basic in nature?

Show answer

Metal oxides, NaOH, Ca(OH)2

Metal oxides, NaOH, and Ca(OH)2 are basic in nature. Non-metal oxides like CO2 are acidic in nature.

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Frequently Asked Questions

What are the important topics in Acids, Bases and Salts for Maharashtra Board Class 9 Science?
Acids, Bases and Salts covers several key topics that are frequently asked in Maharashtra Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Acids, Bases and Salts — Maharashtra Board Class 9 Science?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Acids, Bases and Salts?
There are 44 practice questions available for Acids, Bases and Salts. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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