Which element has same isotopes like palladium___________________?
(A) Nickel
(B) Calcium
(C) Cadmium
(D) Tin
The number of atoms in a molecule determines________________?
(A) macromolecule
(B) macromolecule
(C) molecularity
(D) atomicity
Chlorination of water may be harmful if the water contains_________________?
(A) Ammonia
(B) Dissolved oxygen
(C) Carbon dioxide
(D) All
Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?
(A) Urea
(B) Calcium superphosphate
(C) Diammonium phosphate
(D) Potassium nitrate
Which of the following is not a fatty acid ?
(A) Propanoic acid
(B) Acetic acid
(C) Phthalic acid
(D) Butanoic acid
For industrial preparation of CH3CHO catalytic promoter is_________________?
(A) PdCl2
(B) Cu2Cl2
(C) CuCl2
(D) PbCl2
Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?
(A) n. butane
(B) Ethanol
(C) Ethane
(D) Diethy1 ether
Nitrates of which pair gives different products on thermal decomposition___________________?
(A) Na K
(B) Mg Ca
(C) Li Na
(D) Li Ca
Which is true about Zn-Cu galvanic cell ?
(A) Reduction occurs at anode
(B) K+ ion transfer from salt bridge to left beaker of ZnSO4
(C) Oxidation occurs at cathode
(D) Anode is negatively charged