A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
SSC,
4 26783A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent
HLL,
1 9355Catalytic properties of a substance may be best defined as a phenomenon of 1 Absorption 2 Chemisorption 3 Adsorption 4 None of these
1 6851In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration
2 4010Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization
4 19464Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
2 5911Which of the following substances exhibit the property of sublimation? 1 Ice 2 Wax 3 Camphor 4 Ethyl alcohol
1 7844The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel
1 4523Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these
1 2878The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate
SSC,
1 11441A mixture of iron filings and sand can be separated by 1 Heating 2 Sublimation 3 Hand picking 4 Magnetic separation
1 3744In 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 3836Conversion of a substance directly from solid to vapour state is known as 1 Ionization 2 Evaporation 3 Vapourisation 4 Sublimation
2 17209The rate of chemical reaction does not depend upon 1 Concentration 2 Catalyst 3 Temperature 4 Pressure
1 12079Which of the following is a chemical change? 1 Magnetization of iron 2 Melting of ice 3 Burning of sulphur 4 Melting of wax
1 5346Post New General Science Questions
Write about recreational function of Science
When was the first american rocket launched?
Why we use nhexane inplace of hexane in mobilepase preparation
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
How can i describe the blood?
Who is the first female cosmonaut?
what are the advantages and disadvantages of empirical knowledge?
Explain the role of Science for sustainable Development
Which is the largest refractor telescope?
Who propounded the signs of the zodiac?
When was the atomic energy regulatory board ( aerb ) constituted?
What is one light second?
hai am ashok am studying degree 1st year.i want to write group 1 exams how i am started my preparation.which meterial is best for exam.what are the subjects have it.how much time can i spend to study dialy to get it in first attempt.how much money we need.for this exam degree qualification must to need .NCC c-certificate how use for this exam. what is the best coaching centre in hyd near to khairathabad.plz tell me
Which is the first atomic submarine of india?
Who invented telescope?
