Class 12

13. Principles related to practical chemistry question bank (Chemistry)

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Q1.

Starch paper is used to test for the presence of

(A)
Iodine
(B)
Oxidising agent
(C)
Iodide ion
(D)
Reducing agent
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Q2.

If steel is heated to a temperature well below red heat and is then cooled slowly,the process is called

(A)
Tempering
(B)
Hardening
(C)
Softening
(D)
Annealing
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