NCERT Exemplar II — task. Science CBSE, Class 9.

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Answer the following multiple choice questions:

1. A mixture of sulphur and carbon disulphide is

homogeneous and shows Tyndall effect
heterogeneous and shows Tyndall effect
heterogeneous and does not show Tyndall effect
homogeneous and does not show Tyndall effect

2. Tincture of iodine has antiseptic properties. This solution is made by dissolving

iodine in vaseline
iodine in alcohol
iodine in water
iodine in potassium iodide

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