Question

Define lawof constant proportion.
Define Suspension
Q.33. Classify the following into compound and elements.
(a) HCI
(b) N
(c) 0
(d) Со
How is cream separated from milk.​

Answer 1

Explanation:

1. . In chemistry, the law of definite proportion, sometimes called Proust's law, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.
2. Hydrochloric acid
3. Nitrogen
4. oxygen
5. carbon
6. The process of separation of cream from milk is known as demulsification which involves the breaking of an emulsion into two separate liquid layers and can be achieved by centrifugation.

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