ICSE − Q & A

which of the following will not produce an acid when made to react with water?
a) Carbon monoxide b) Carbon dioxide c) Nitrogen dioxide d)Sulphur trioxide


THE ANS. IS 'CO' RIGHT??

Will 2 gases have same mass at STP

Pls tell me the chemical test for nitric oxide

IUPAC name pls:
      H   H    H   H   H
       |     |     |     |     |
H - C - C = C - C - C - H
       |                 |     |
      H              OH  H

Prolonged exposure of silver to atmospheric air makes the metal black.why?

+ 1 more questions by monstercat  

Why alkali metals have comparatively lower melting points?
asked by Abhinav Sharma (monstercat) 6 years ago
1

Answer ASAP and please show the steps if you can :
Q. Calculate the mass of a substance 'A' which in gaseous form occupies 10 litres at 27 degree celcius and 700 mm pressure. The molecular mass of 'A' is 60.

What is the difference between Gram Atoms & Gram Molecules?

an alloy used in electrical fittings?? is it solder

What is the colour of the following oxides when HOT and COLD :-
(i)Lead oxide 
(ii)Copper oxide

An example for a tribasic acid?