Question

-2 True or False
i. When bread goes stale,a physical change takes place.
ii. Crystallization is used to obtain pure crystals from impure crystals.
iii. Wood is a good insulator of heat.
iv. Shining bodies are good absorbers and good radiators of heat.
v. Shoddy fabrics are made from the best variety of wool.
vi. In humans, there are 14 teeth in each jaw.
vii. Hydrochloric acid is secreted in the stomach.
viii. In symbiosis both the organisms are benefitted.​

Answer 1

Answer:

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