Bucky balls is an allotropic from of__________________?
Bucky balls is an allotropic from of__________________?
A. Sulphur
B. Carbon
C. Silica
D. Tin
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The law of traids is applicable to__________?
The law of traids is applicable to__________?A. Li, Be, B
B. F, Cl, Br
C. Cl, Br, I
D. Na, K, RbIf a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?A. C2H2O4
B. CH2
C. CH2O
D. CHO2Which one of the following serve as aquatic solar fuel cell:
Which one of the following serve as aquatic solar fuel cell:A. Bacteria
B. Virus
C. Fungi
D. AlgaeWhich electronic configuration corresponds to an element of group IIIA ?
Which electronic configuration corresponds to an element of group IIIA ?A. 1s2 2s2 2p3
B. 1s2 2s2 2p6 3s2 3p1
C. 1s2 2s2 2p4
D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1Which of the following is not characteristics of reversible reaction__________________?
Which of the following is not characteristics of reversible reaction__________________?A. whole amount of reactant does not change into product
B. chemical equilibrium is established
C. a catalyst changes the direction of reaction
D. rate of forward reaction decreases as reaction proceedsThe hardest of the following solids is__________________?
The hardest of the following solids is__________________?A. sodium
B. diamond
C. graphite
D. magnesium