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प्रश्न
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
पर्याय
True
False
MCQ
चूक किंवा बरोबर
उत्तर
True
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Chemistry and Its Historical Perspective
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
What is science?
What is alchemy?
What is ‘Philosopher’s stone’?
What is the contribution of chemistry in the following field?
National Defence
Write True or False against the following statement.
Gunpowder is an insecticide:
Choose the correct alternative from the choices given below for the following statement:
Which one of the following is a pesticide?
Match the following scientists in column A with their discoveries or contributions in column B.
| Column A | Column B | ||
| (a) | Marie Curie | (i) | Safety Lamp |
| (b) | John dalton | (ii) | Helium |
| (c) | William Ramsey | (iii) | Nobel Prize Winner (two times) |
| (d) | Sir Humphry Davy | (iv) | Atomic Theory |
State the functions of the following basic glass apparatus:
Hard glass boiling tube
Give reasons for the following
Alchemy was considered a pseudoscience.
A philosopher’s stone is not exactly a stone.
