The pH of milk is_______?
The pH of milk is_______?A. 9
B. 6.5-7
C. 8
D. 12
B. 6.5-7
C. 8
D. 12
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Among halogens the highest boiling point is of___________________?
Among halogens the highest boiling point is of___________________?A. Flrorine
B. Chlorine
C. Bromine
D. IodineWhich is true about Zn-Cu galvanic cell ?
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 chargedShaking two immiscible liquids increases_________________?
Shaking two immiscible liquids increases_________________?A. Length of contact
B. Volume of contact
C. Area of contact
D. all of abovePeriodic table provides a basic framework to study elements with respect to their__________________?
Periodic table provides a basic framework to study elements with respect to their__________________?A. Physical properties
B. Chemical properties
C. Properties of their compounds
D. AllIn melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?
In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?A. CaO+ SiO2——> CaSiO3
B. 2FeS+3O2——–> 2Fe+ SO2
C. FeSiO3———> FeSiO3
D. Fe2O3+ 3CO——–> 2Fe+ 3CO2_____________ 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. Neutral