Which is artificial manmade fiber?
Which is artificial manmade fiber?
A. Boron
B. Saffron
C. Rayon
D. None of these
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The number of molecules taking part in the rate determining step is called___________________?
The number of molecules taking part in the rate determining step is called___________________?A. Order of reaction
B. Rate of reaction
C. Mole of a reaction
D. Extent of a reactionI3( Tri-iodine) has shape_________?
I3( Tri-iodine) has shape_________?A. Trigonal bipyramidal
B. Linear
C. Square bipyramidal
D. Both A and CBond will beionic when E.N difference of bonded atom is ____________________?
Bond will beionic when E.N difference of bonded atom is ____________________?A. Equal to 1.7
B. Greater than 1.7
C. Less than 1.7
D. No specificity existsWhich of the following is not an ester_________________?
Which of the following is not an ester_________________?A. amyl acetate
B. sodium butyrate
C. isobutyle formate
D. octyl acetateWhich element was not known when Mendeleev proposed his classification ?
Which element was not known when Mendeleev proposed his classification ?A. Hydrogen
B. Sodium
C. Copper
D. GermaniumIn network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?
In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?A. 4
B. 2
C. 1
D. 6