(a) Tools
(b) Special
(c) Edit
(d) File
Answer:
Which one of the following fuels causes minimum environmental pollution
(a) Hydrogen
(b) Kerosene
(c) Diesel
(d) Coal
Answer:
The long form of periodic table was developed by
(a) Rutherford
(b) Range and Warner
(c) Bohr
(d) Menedeleev
Answer:
The numbr of mole of solute per kilogram solvent is called
(a) Normality
(b) Molarity
(c) Molality
(d) None of these
Answer:
Blood cells do not shrink in blood because blood is
(a) Equimolar
(b) Hypotonic
(c) Hypertonic
(d) Isotonic
Answer:
When a solution is separated from a solvent by a semipermeable membrane then phenomenon taking place is called
(a) Plasmolysis
(b) Osmosis
(c) Diffusion
(d) None of these
Answer:
If the diapered phase is a liquid and the dispersion medium is solid, the colloid is known as
(a) Emulsion
(b) Gel
(c) Foam
(d) Sol
Answer:
Dialysis can separate which of the following in addition to the glucose from human blood
(a) Sucrose
(b) Protein
(c) Fructose
(d) Starch
Answer:
When ore is heated generally in absence of air then process is called
(a) Smelting
(b) Calcination
(c) Roasting
(d) None ofthese
Answer:
The active metals are extracted from their ores by the process of reduction with
(a) Carbon
(b) Alimunium
(c) Hydrogen
(d) Electric current
Answer: