17. Metals are _________ A) Dull B) Soft C) Sonorous D) Inflexible
18. Bond length of Double bond in graphite is:
A) 154 B) 141.5 C) 145 D) 341
19. ______ light bends the most.
A) Red B) Blue C) Green D) Violet
20. In homologous series, difference between molecular mass of any two successive
members of series.
A) 12 B) 13 C) 14 D) 15
21. The deficiency of which hormone causes diabetes?
A) Estrogen B) Thyroxin C) Adrenaline D) Insulin
22. By which of the following green house effect can be achieved in solar cooker?
A) Black Surface B) Concave mirror C) Covered glass plate D) Convex mirror
Answers
Answered by
0
Answer:
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Explanation:
sorry dont know
Answered by
2
Answer:
17. D
18. 133 PM
19. D
20.A
21.D
22. D
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