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mnsoomro
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Which of the following is the Radioactive isotope of Hydrogen?
A. Protium B. Deuterium C. Tritium D. Nichromium Submitted by :- Jamil Ahmed
Which one does not give borax bead test_________________?
A. Copper sulphate B. Barium sulphate / Mg+2 / Al3+ salts C. Cobalt sulphate D. Nickel sulphate Submitted by :-…
Marsh gas is _________?
A. Methane B. Ethane C. Hydrogen D. Nitrogen Submitted by :- Jamil Ahmed
In Dry cell, cathode is made up of_______?
A. Zinc B. Carbon (Graphite) C. ZnCl² D. MnO²(Pyrolusite) à oxidizing agent is dry cell Submitted by :- Jamil Ahmed
Diamond got brilliance due to following reason?
A. reflection B. refraction C. dispersion D. all of the above Submitted by :- Jamil Ahmed
Universe is almost 70% made up of __________?
A. Helium B. Hydrogen C. Chlorine D. Carbon Submitted by :- Jamil Ahmed
Which of the following is more Basic in nature?
A. Ammonia B. 1°Alkyl ammine C. 2° Alkyl ammine D. 3° Alkyl ammine Submitted by :- Jamil Ahmed
Which of the following is more acidic in nature?
A. Benzene B. p-nitrobenzene C. Phenol D. Cresol Submitted by :- Jamil Ahmed
The following alcohol does not undergo oxidation is _____________?
A. 1° alcohol B. 2° alcohol C. 3° alcohol D. 0° alcohol Submitted by :- Jamil Ahmed
In water, Hydrogen is present ________by mass.
A. 22% B. 11.11% C. 31.13% D. 15.15% Submitted by :- Jamil Ahmed