Which of the following compounds is not soluble in HNO3___?
Which of the following compounds is not soluble in HNO3___?
A. CuS
B. CdS
C. PbS
D. AgCl
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Which alkyl halide out of the following may follow both SN1 and SN2 mechanism ?A. CH3-X
B. (CH3)3 C-CH2 – X
C. (CH3)2 CH – X
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Which one of the following has the maximum number of isotopes ?A. oxygen
B. carbon
C. tin
D. chlorineThe rectified spirit contains________________?
The rectified spirit contains________________?A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcoholThe oxidation of isopropyl alcohol will yield___________________?
The oxidation of isopropyl alcohol will yield___________________?A. propane
B. Propanol
C. Propanone
D. Propanoic acidThe percentage of nitrogen in urea is________________?
The percentage of nitrogen in urea is________________?A. 36%
B. 46%
C. 56%
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Beckmanns apparatus is used to measure_______________?A. boiling point elevation
B. depression in freezing point
C. lowering of vapour pressure
D. lowering of osmotic pressure