Silicon differ from silica by a group of__________________?
Silicon differ from silica by a group of__________________?
A. Ch3
B. OH
C. OCH3
D. O2
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Which set of elements is listed in order of increasing ionization energy ?
Which set of elements is listed in order of increasing ionization energy ?A. Sb < As < S < P < Cl
B. Cl < Sb < P < As < S
C. As < Cl < P < S < Sb
D. Sb < As < Cl < S < PThe yellow colour in photochemical smog is due to presence of__________________?
The yellow colour in photochemical smog is due to presence of__________________?A. dinitrogen oxide
B. nitrogen dioxide
C. chlorine gas
D. chlorine dioxideWhich compound shows hydrogen bonding ?
Which compound shows hydrogen bonding ?A. C2H6
B. C2H5Cl
C. CH3OCH3
D. C2H5OHWhich one of the following results in the discovery of proton.
Which one of the following results in the discovery of proton.A. Cathode rays
B. Canal rays
C. X-rays
D. Alpha raysWhich of the following will be acidic_____________?
Which of the following will be acidic_____________?A. propyne
B. 1-butyne
C. ethyne
D. all of the aboveHydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____
Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____A. 500⁰C
B. 700⁰C
C. 900⁰C
D. 1300⁰C