Which of the halogen can displace other three elements ?
Which of the halogen can displace other three elements ?
A. Flourine
B. Chlorine
C. Iodine
D. Bromine
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When an active metal like Al comes in contact with less active element like Cu then it produces__________________?
When an active metal like Al comes in contact with less active element like Cu then it produces__________________?A. dry cell
B. galvanic cell
C. electrolytic cell
D. A and BCement is a mixture of________________?
Cement is a mixture of________________?A. clay and clinker
B. clay lime stone and gypsum
C. lime stone and gypsum
D. lime stone and clay_____________ surfactants perform well over a wide range water hardness and PH?
_____________ surfactants perform well over a wide range water hardness and PH?A. Anionic
B. Cationic
C. Nonionic
D. NeutralIn which of the following pairs are elements belonging to the same group ?
In which of the following pairs are elements belonging to the same group ?A. Boron & Beryllium
B. Nitrogen & Phosphorous
C. Magnesium & Aluminium
D. Gallium & HeliumWater molecule is________?
Water molecule is________?A. V-shaped
B. Angular
C. Pyramidal
D. Triangular planerLipids are soluble in___________________?
Lipids are soluble in___________________?A. Organic solvents
B. Organic and inorganic solvents
C. Inorganic solvents
D. Solubility has nothing to do with lipids