Which two gases can be used for the demonstration of the ...
Which two gases can be used for the demonstration of the fountain experiment?
SO4 and NH3
SO3 and NH3
HCl and NH3
SO2 and CO
Correct answer is C
No explanation has been provided for this answer.
Which of the following methods is suitable for preparing insoluble salts? ...
How many moles of H2SO4 are there in 50 cm3 of 0.108 mol dm3 solution of th...
Which of the following acids is dibasic? ...
22688Ra → x86Rn + α - particle What is the value of x in the nuclear reaction above?...
Carbon is often deposited in the exhaust-pipe of cars because of the? ...
Elements with high ionization energies would------- ...
Neutrons were discovered by? ...
Which of the following is used to hasten the ripening of fruit? ...
The formula of the compound formed between a trivalent metal, M and a divalent non-metal, Y is ...