Question

14
(a) Good manuring in the area
(b) No rainfall in the area
(c) Stomata gets blocked by dust
17
- Write a balanced chemical equation for each of the following reactions and also
18
1
classify them.
2
(i) A piece of sodium metal is added to absolute ethanol to form sodium ethoxide and
hydrogen gas.
(ii) Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water
2. (i) State three factors on which the heat produced by an electric current depends.
() Calculate the heat produced when 96000 C of charge is transferred in 1 h through,
potential difference of 50 V.
The pH of a salt used to make tasty and crispy pakoras is 14. Examine the salt and
write a chemical equation for its formation. List its two uses.
Section D
5. Double circulation plays an essential role in the maintenance of homeostasis in
human beings.' Validate the above point giving suitable explanation.
Or
of digestion of food in humans with the help of a well-labelle​

Answer 1

Answer:

can't understand the question