sodium nitrate
mercuric nitrate
lithium nitrate
silver nitrate
potassium nitrate
Correct answer is D
No explanation has been provided for this answer.
If the temperature of a gas is increased?
the kinetic energy of the emolecules will decrease
the pressure will decrease if the volume is constant
the gas will occupy a greater volume if the pressure is constant
the mass of the gas will decrease
the pressure and volume will increase
Correct answer is C
No explanation has been provided for this answer.
2.0
1.8
1.4
1.0
0.5
Correct answer is C
No explanation has been provided for this answer.
Which of the following equations represents an oxidizing action of sulphur dioxide?
SO2 + 2HNO2 → H2SO4 + 2NO2 + heat
2SO2 + 2H2O + O2 → 2H2SO4
SO2 + 2H2O + CI2 → H2SO4 + 2HCI
SO2 + 2H2S → 3S + 2H2O
K2Cr2O7 + H2SO4 + 3SO2 → K2SO4 + Cr2(SO4)3 + H2O
Correct answer is D
No explanation has been provided for this answer.
Which of the following represents ethyl ethanonate?
CH3CH2CO2CH3
(CH3CO2)2O
CH3CH2CO2CH2CH3
CH3CO2CH2CH3
CH3CH2COCH2CH3
Correct answer is D
No explanation has been provided for this answer.