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The Contact Process is involved in the manufacture of 1 Nitric acid 2 Sulphuric acid 3 Ammonia 4 Caustic soda
2 5374Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver
1 10454Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
1 3582‘Saponification involves the hydrolysis of fats and oils by 1 Water 2 Washing soda 3 Stearic acid 4 Caustic soda
1 8312Which of the following reagents gives a silver mirror test when added to aldehydes? 1 Fehling’s solution 2 Tollen’s Reagent 3 Ebaeyer’s Reagent 4 Nessler’s Reagent
1 3791Which of the following gases is obtained by the reaction of copper with dilute nitric acid is 1 NO2 2 N2O5 3 O2 4 NO
1 3579Which of the following substances undergoes chemical change on heating? 1 Sodium chloride 2 Silica 3 Lead nitrate 4 Platinum wire
2 11672Which of the following reactions is used for increasing the number of carbon atoms in a chain? 1 Substitution reaction 2 Wurtz reaction 3 Friedel – Crafts reaction 4 Cannizzaro’s reaction
2 4471Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons
ACIO,
2 12679Superphosphate fertilizer is prepared by the reaction between 1 Calcium phosphate and Sulphuric hydroxide 2 Sodium phosphate and Sodium nitrate 3 Magnesium phosphate and Sodium nitrate 4 Sodium sulphate and Phosphoric acid
2 6878The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water
2 7945Which of the following metals can displace zinc from a solution of zinc sulphate? 1 Lead 2 Magnesium 3 Iron 4 Mercury
2 5742Chemical change does not take place in case of 1 Souring of milk into curd 2 Rusting of iron in atmosphere 3 Burning of magnesium ribbon in air 4 emitting of light by a red hot platinum wire
3 11714Water gas is prepared by passing 1 Steam over white-hot coke 2 Air over red-hot coke 3 Methane over red-hot coke 4 Steam over heated sulphur
6 18585Post New General Science Questions
hai sir pls send me Appsc Assistant Statistical Officer(ASO) previous papers. And Apsrtc MST previous papers. Thanks you sir.
What are the important factors of cosmic rays?
Give two National aims of science education
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
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 rational knowledge?
What is the capacity of arihant’s atomic reactor?
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Who developed primary blue print programme?
What is practical frequency. ? How create a frequency band?
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
Who commanded the challenger’s first flight?
In which year the solar observatory in kodikanal founded?
