Solved Chemistry MCQS Set 3

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Solved Chemistry MCQS
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Bragg’s law is given by equation
n
n
2 n
n

White lead is
Basic lead acetate
Basic lead hydroxide
Basic lead carbonate
Acidic lead carbonate

The number of atoms contained in 11.2 L of SO2at S.T.P are
6.02 x 1023
4 x 6.02 x 1023
2 x 6.02 x 1023
3/2 x 6.02 x 1023

Which of the substances Na, Hg, S, Pt and graphite can be used as electrodes in electrolytic cells having aqueous solution?
Na and Hg
Na, Pt and graphite
Na and S only
Pt and graphite only

Which of the following transition metal ions will have definite value of magnetic moment?
Cu+
Ti3+
Sc3+
Zn2+

The percentage of nitrogen in urea is
60
46
70
80

For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to
Electrolysis
Hydrogenation
Oxidation
Hydrolysis

The bond angle H-O-H in ice is closest to
60
120
90
109

BiCl3on hydrolysis forms a white precipitate of
Bismuth hydroxide.
Bismuth oxychloride
Bismuthio acid
Bismuth pentachloride

The following has zero valency
Kr
Al
Na
Be

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