Chemistry Q&A For All Competitive Exam
1. The Macro-elements present in fertilizer are -
Nitrogen(N), Phosphorus(P), Potassium(K)
2. An excellent organic fertilizer and soil conditioner is -
Vermicompost
3. The lead pencil is made of -
Graphite
4. The subatomic particle that takes part in chemical reaction is -
electron
5. The gas used along with oxygen during artificial respiration is -
Helium (He)
6. Stranger gas is -
Xenon (Xe)
7. Hydrogen Sulphide is identified by using -
Lead Acetate Paper
8. The coolant used in refrigerator is -
Liquid Ammonia
9. The substances which can alter the rate of chemical reactions are called -
Catalyst
10. The gas used in the production of vanaspati is -
Hydrogen
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