MEDIUM
9th ICSE
IMPORTANT
Earn 100
Hydrogen is prepared by Bosch process.
Write the balanced equations of the reactions with conditions.
Important Questions on Specimen Paper 2 (Unsolved) Paper 2 (Chemistry)
MEDIUM
9th ICSE
IMPORTANT
Hydrogen is prepared by Bosch process.
How are the product separated?
MEDIUM
9th ICSE
IMPORTANT
Write the name of the product formed and give balanced equation of the reaction when ammonium chloride is heated.
MEDIUM
9th ICSE
IMPORTANT
Write the name of the product formed and give balanced equation of the reaction when calcium is reacted with cold water.
MEDIUM
9th ICSE
IMPORTANT
Write the name of the product formed and give balanced equation of the reaction when lead nitrate is heated.
MEDIUM
9th ICSE
IMPORTANT
Give a general idea of Dobernier triads with one example.
HARD
9th ICSE
IMPORTANT
State Mendeleev's Periodic Law and give its defects.
HARD
9th ICSE
IMPORTANT
An element has atomic number and has mass no. . Draw its orbital structure and state the position of X in the periodic-table.
HARD
9th ICSE
IMPORTANT
(i) Write the molecular formula of magnesium phosphate.
(ii) Calculate the molecular mass of this compound.
(iii) What is the percentage of phosphorus in magnesium phosphate? [At. mass: ]
