BASIC SCIENCE GENERAL KNOWLEDGE QUESTIONS AND ANSWERS 31 to 35

31.Combustion is the process in which

Heat and Light is produced

32.The chemical used as a fixer in photography is

Sodium thiosulphate

33.A mixture of iron filings and sand can be separated by

Magnetic Separation

34.In which of the following process, Vanadium Pentoxide is used as a catalyst ?

Contact process

35.The rate of chemical reaction does not depend on

Pressure

More BASIC SCIENCE GENERAL KNOWLEDGE QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha