The nitrogen gas obtained by burning an excess of phosphorus in air has a density…
The nitrogen gas obtained by burning an excess of phosphorus in air has a density higher than the…
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If the rate of diffusion of oxygen gas is taken as 1, what will be…
If the rate of diffusion of oxygen gas is taken as 1, what will be rated of diffusion…
If the temperature of a gas is increased?
If the temperature of a gas is increased? A. the kinetic energy of the emolecules will decrease B.…
Which of the following represents ethyl ethanonate?
Which of the following represents ethyl ethanonate? A. CH3CH2CO2CH3 B. (CH3CO2)2O C. CH3CH2CO2CH2CH3 D. CH3CO2CH2CH3 E. CH3CH2COCH2CH3 Correct…
Which of the following equations represents an oxidizing action of sulphur dioxide?
Which of the following equations represents an oxidizing action of sulphur dioxide? A. SO2 + 2HNO2 → H2SO4…
1.00 g of the oxide of metal X (atomic mass = 64) gave 0.80 g…
1.00 g of the oxide of metal X (atomic mass = 64) gave 0.80 g of the metal…
When a solution of silver (l) nitrate is saturated with hydrogen sulphide, a black precipitate…
When a solution of silver (l) nitrate is saturated with hydrogen sulphide, a black precipitate forms which is?…
The production of ammonia by the haber process may be represented by the equilibrium equation…
The production of ammonia by the haber process may be represented by the equilibrium equation N2(g) + 3H2(g)…
In the reaction N2(g) + O(g) ↔ 2NO(g) produced i an increase in the total…
In the reaction N2(g) + O(g) ↔ 2NO(g) produced i an increase in the total pressure will? A.…
In the chemical reaction A + B (to) C + D, more of D is…
In the chemical reaction A + B (to) C + D, more of D is formed? A. if…