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A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
SSC,
4 28373A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent
HLL,
1 10187Catalytic properties of a substance may be best defined as a phenomenon of 1 Absorption 2 Chemisorption 3 Adsorption 4 None of these
1 7736In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration
2 4944Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization
4 21111Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
2 6888Which of the following substances exhibit the property of sublimation? 1 Ice 2 Wax 3 Camphor 4 Ethyl alcohol
1 8568The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel
1 5268Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these
1 3527The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
SSC,
1 12349A mixture of iron filings and sand can be separated by 1 Heating 2 Sublimation 3 Hand picking 4 Magnetic separation
1 4471In which of the following processes, is vanadium pent oxide used as a catalyst? 1 Contact process 2 Haber’s process 3 Solvay process 4 None of these
2 4806Conversion of a substance directly from solid to vapour state is known as 1 Ionization 2 Evaporation 3 Vapourisation 4 Sublimation
2 18258The rate of chemical reaction does not depend upon 1 Concentration 2 Catalyst 3 Temperature 4 Pressure
1 12784Which of the following is a chemical change? 1 Magnetization of iron 2 Melting of ice 3 Burning of sulphur 4 Melting of wax
1 6148Post New General Science Questions
name all the density all cloth,metals,materials?
Who discovered radio telescope?
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
My friend has done the DMLT(Diploma in Medical Laboratory Technology)Now she wants to do further education.What should she do? Please Guide which would be best for her
In which year was the meteorology department founded?
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
On what basis Friability limit NMT 1.0%w/w is recommended. what is impact on formulation if this limit exceeds.
What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?
what are the advantages and disadvantages of empirical knowledge?
What is super nova?
Who was the first cosmonaut?
Which comet collided with jupiter?
Why the diesel generator suddenly increases the output voltage and avr get shorted ... And also increases the load the generator decreases the voltage why ..and also the output power in amps generated in 30 kv diesel generator ..
When did the most luminous nova appear?
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
