Question

6. Which sources produce alternating current?
Answer the following questions in 20-30 words:-
7. Oil and fat containing food items are flushed with nitroge
*. At the time of short circuit, the current in the circuit
a reduce substantially
b. Does not change
Increases heavily
d. Vary continuously
answer the following questions in one word or ane sentence:-
What is the common name of the compound CaOCLz?
Give two examples of amphoteric oxides.
How many structural isomers can you draw for pentane?
5. What are fossils?
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Answer 1

Answer:

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Explanation:

Answer 2

Answer:

(a) Heavy isotope of hydrogen

(b) Heavy isotope of oxygen

(c) Mole number of hydrogen atoms

(d) Mole number of oxygen atoms

Q3. Glass is soluble in

(a) H₂SO₄

(b) HCIO₄

(c) HNO₃

(d) HF

Q4. Who was the father of Biology?

(a) Aristotle

(b) Antoine Lavoisier

(c) Eratosthenes

(d) none of these

Explanation: