Carnalite has chemical formula__________________?
Carnalite has chemical formula__________________?
A. KCI
B. KCI.MgCl2.6H2O
C. Na2B4O7.10H2O
D. CaCO3.MgCO3
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Benzene does not undergo___________________?
Benzene does not undergo___________________?A. Substitution reaction
B. Addition reaction
C. Polymerization reactions
D. Oxidation reactionsSolubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?
Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?A. 4.0 x 10-8
B. 3.2 x 10-11
C. 2.0 x 10-8
D. 4.0 x 10-12Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structureEstimation of amounts of different components in a sample is________________?
Estimation of amounts of different components in a sample is________________?A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistryThe formula C6H5-CO-CH3 represents_______ ?
The formula C6H5-CO-CH3 represents_______ ?A. Acetone
B. Acetic acid
C. Acetophenone
D. Phenyl acetateAll the elements in group VIA are ___________________ in nature?
All the elements in group VIA are ___________________ in nature?A. hygroscopic
B. metals
C. polymeric
D. all of above