Wavelength of electron was verified by_________________?
Wavelength of electron was verified by_________________?
A. Moseley
B. Davisson and Germer
C. Einstein
D. Roentgen
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The process of polymerization was classified by___________________?
The process of polymerization was classified by___________________?A. Strecker
B. Sabatier
C. Runge
D. W. H. CarothersWhich statement is wrong ?
Which statement is wrong ?A. the amount of ozone layer is greater in the region close to the equator
B. ozone acts as filter for UV radiations
C. in the equatorial region it acts as pollutant
D. CFCs play effective role in removing O3 in the stratosphereWhich one of the following is the correct sequence according to atomic weights?
Which one of the following is the correct sequence according to atomic weights?A. Fe>Co> Ni
B. Co > Ni > Fe
C. Ni> Co> Fe
D. Co >Fe>NiStainless steel contains___________?
Stainless steel contains___________?A. Fe+Cr+Ni
B. Fe+Ni+Cu
C. Fe+ Cr+Cu
D. Cu+C+NiThe formula of starch is__________________?
The formula of starch is__________________?A. C12H22O11
B. C6H10O5
C. (C6H10O5)n
D. C6H12O6When the reaction completes in more than one steps rate of reaction will be determined by________________?
When the reaction completes in more than one steps rate of reaction will be determined by________________?A. Fast step
B. Slowest step
C. All steps
D. Molecularity of the reaction