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Olympiad Test: Acids, Bases And Salts - 2


10 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Acids, Bases And Salts - 2


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This mock test of Olympiad Test: Acids, Bases And Salts - 2 for Class 7 helps you for every Class 7 entrance exam. This contains 10 Multiple Choice Questions for Class 7 Olympiad Test: Acids, Bases And Salts - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Olympiad Test: Acids, Bases And Salts - 2 quiz give you a good mix of easy questions and tough questions. Class 7 students definitely take this Olympiad Test: Acids, Bases And Salts - 2 exercise for a better result in the exam. You can find other Olympiad Test: Acids, Bases And Salts - 2 extra questions, long questions & short questions for Class 7 on EduRev as well by searching above.
QUESTION: 1

The acid used in the making of vinegar is

Solution:
QUESTION: 2

Caustic potash is the common name of

Solution:

KOH (Potassium hydroxide) is the common name of caustic potash. 

QUESTION: 3

Which of the following is a property of a base?

Solution:
QUESTION: 4

Mg + H2SO4 → ?
Solution:

When acid reacts with metal to form salt + H2

QUESTION: 5

The base used in making antacids is
Solution:
QUESTION: 6

In fire extinguishers, the reaction between the carbonate and the acid gives
Solution:
QUESTION: 7

In acids, methyl orange turns
Solution:

In acidic medium methyl orange turns red in colour. 

QUESTION: 8

In bases, methyl orange turns
Solution:

In basic medium methyl orange turns yellow in colour. 

QUESTION: 9

Acids are formed when
Solution:

Acids are sour and corrosive and turns blue litmus red. Basic oxides are acidic in nature.

QUESTION: 10

Phenolphthalein turns ______ in acidic and neutral solutions
Solution:

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