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Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
5 15693The pink color of Bayer’s reagent is discharged when acetylene is passed through it. This is due to the formation of 1 Acetic acid 2 Ethylene 3 Water 4 Oxalic acid
2 7494A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation
CISF,
3 7456The process by which an organic compound breaks down into simpler compounds on heating to high temperature is known as 1 Armatisation 2 Polymerization 3 Pyrolysis 4 Reduction
3 7650Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
3 6384The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese
3 6657Which of the following re synthetic rubbers? 1.Thiokol 2.Isoprene 3.Neoprene 1 1 and 2 2 2 and 3 3 1 and 3 4 1,2 and 3
3 5319How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap
4 13953Post New General Science Questions
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
Describe the evolution of science and its impact on society
what the defference from anti virus and spyware and adware also? Please descript?
What is used in arihant’s atomic reactor?
we know in mathematics that a matrix is an arrangement (array) of different elements , memebers . Then, how does the movie "Matrix" relate with this concept. In movie "Matrix" we have seen that it shown a war between machines & humans. And we know to operate machines we need code like 0 1 & 1 0 . How ? explain ?
In which year was the meteorology department founded?
When and where was the first experimental atomic explosion took place?
What is meant by Incidental Correlation?
What is the significance of international geo - physical year?
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
What was the code name given to the first explosion?
Which is the research reactors of bhabha atomic research centre?
What is practical frequency. ? How create a frequency band?
The year in which magnetic observations were started in mumbai and thiruvananthapuram?
