Reactions, Changes & Separation of Mixtures
(a) Methane
(b) Ethylene
(c) Styrene
(d) Acetylene
(a) Burning of paper
(b) Digestion of food
(c) Conversion of water into steam
(d) Burning of coal
(a) Change of gas into solid
(b) Change of solid into liquid
(c) Change of vapour into liquid
(d) None of these
(a) Reduction
(b) Oxidation
(c) Decomposition
(d) Displacement
(a) Rusting of iron
(b) Tempering of iron
(c) Bending of iron
(d) Melting of iron
(a) Filtration
(b) Distillation
(c) Evaporation
(d) Decantation
(a) Respiration
(b) Photosynthesis
(c) Fermenttio
(d) Photorespirati
(a) Hydrogenation
(b) Crystallization
(c) Oxidation
(d) None of these
(a) An exothermic process
(b) An endothermic process
(c) A neutral process
(d) None of these
(a) Heat is produced
(b) Heat and light are produced
(c) Light is produced
(d) None of these
