The products formed when sodium hydrogen trioxocarbonate (IV) is heated strongly are
carbon (IV) oxide and sodium hydride
carbon (IV) oxide and soudium trioxocarbonate (IV)
sodium trioxocarbonate (IV) and steam
carbon (IV) oxide and steam
sodium trioxocarbonate (IV) carbon (IV) oxide and steam
Correct answer is E
No explanation has been provided for this answer.
0.1 mole
0.2mole
0.3 mole
0.4 mole
0.5 mole
Correct answer is B
No explanation has been provided for this answer.
Lead
Copper
Iron
Calcium
Aluminium
Correct answer is E
No explanation has been provided for this answer.
Ammonia gas is suitable for performing the 'Fountain' experiment because the gas is
colourless
a cooling agent
alkaline to litmus
a reducing agent
very soluble in water
Correct answer is E
No explanation has been provided for this answer.
Nitrogen is prepared on a large scale by the
fractional distillation of liquefied air
decomposition of ammonium dioxonitrate (lll)
electrolysis of brine
Haber process
Contact process
Correct answer is A
No explanation has been provided for this answer.