Formula of Galena is________?
Formula of Galena is________?
A. PbS
B. HgS
C. AS2S3
D. FeS2
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The structure of H2O2 is_______?
The structure of H2O2 is_______?A. Planar
B. Non- polar
C. Spherical
D. LinearWhich of the following is pseudo solid_____________________?
Which of the following is pseudo solid_____________________?A. CaF2
B. NaCl
C. Glass
D. DiamondThe relationship between energy of a photon of light and its frequency is given by________________?
The relationship between energy of a photon of light and its frequency is given by________________?A. de-Broglie duel nature of matter
B. Bohrs model
C. Plancks Quantum theory
D. Rutherfords atomic modelHalides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?
Halides in which halogen atoms act as a bridge between two atoms of the other element are called___________________?A. Covalent halides
B. Electronegative halides
C. Polymeric halides
D. Polymeric hydridesPresence of nitrogen in organic compounds is tested as__________?
Presence of nitrogen in organic compounds is tested as__________?A. Nitrogen gas
B. NH3
C. CN‾
D. NOThe Boiling Point of Ethyl Alcohol is_________?
The Boiling Point of Ethyl Alcohol is_________?A. 78°C
B. 58°C
C. 73°C
D. 56°C