Science, asked by kukrutighormare7a, 1 month ago

(MCQ) multiple choice questions.
3. Which zone of the flame is the hottest? (a) Inner
(b) outer
(d) None of these
(c) Middle
4. The calorific value of hydrogen gas is
(a) 50,000 kJ/kg
(C) 1,50,000 kJ/kg
(b) 65,000 kJ/kg .
(d) 45,000 kJ/kg
5. is essential for combustion.
(a) Carbon dioxide
(b) Nitrogen
(d) CNG
(C) Oxygen
6. is an eco-friendly fuel.
(a) Coal
(b) Diesel
(C) Petrol
(d) CNG
7. (a) Plastic is a good conductor of. (a) electricity.
(b) Rubber
(d) Wood
(c) Water​

Answers

Answered by ikhankarpranit
3

Answer:

3. outer

4. 150KJ/Kg

5.  Oxygen

Explanation:

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Answered by ItsLovelyNishu
0

3. outer

4. 1,50,000

5. Oxygen

6. CNG

7. Electricity.

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