Advertisements
Advertisements
प्रश्न
_____ is the basic material to manufacture urea.
उत्तर
Ammonia is the basic material to manufacture urea.
APPEARS IN
संबंधित प्रश्न
Give reason.
Wasp sting is treated with vinegar.
FILL IN THE BLANK
On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.
TRUE \ FALSE
Temperature at which a liquid starts boiling is known as the boiling point of that liquid. True or false ?
Is kerosene an electrolyte or a non-electrolyte ?
Explain by writing a word equation.
Hard water gets softened on mixing with a solution of washing soda.
Choose the correct option from the bracket and explain the statement giving a reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.
Give reason for the following:
Molybdenum is used in the manufacture of ammonia.
Give reason for the following:
Electrolytic decomposition of water is a reaction involving change of state.
Complete the table given below.
Addition of dil. H2SO4 to zinc | Test for gas evolved |
Higher order Thinking question
A very hot glass on putting in cold water cracks. What does this change indicate?