Question

8.3 (a) Name any one mixture that you see or use or eat.
(b) Are all its components useful?
(c) If not, then list the useless or harmful componenty​

Answer 1

Answer:

1. rice and dal
2. yes
3. its not harmful

Explanation:

Answer 2

a) Name any one mixture that you see or use or eat.

• We drink a mixture of sugar and water
• Sugar and water are a homogeneous mixture.
• A homogeneous mixture is one in which there is perfect mixing of the components of the mixture.
• It is also a mixture in which the composition is the same throughout the mixture.
• Two individual substances (sugar and water) are evenly distributed and do not separate in this homogeneous solution.

(b) Are all its components useful?

• Partially yes, both the components are useful because it helps to replenish out bodies but excess sugar is sometimes

(c) If not, then list the useless or harmful component

• Excess sugar in the water increases the risk of a heart attack.

Note:-

If two or more substances mixed together in any proportion, do not undergo any chemical change but retain their own properties, the resulting mass is called a mixture.

Mixtures are of two types:-

• A homogeneous mixture is one in which there is perfect mixing of the components of the mixture.
• A heterogeneous mixture is one that consists of physically distinct parts, each with different properties.

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