A form of carbon used for absorbing poisonous gases and purification of noble gases is
A form of carbon used for absorbing poisonous gases and purification of noble gases is A. wood charcoal…
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The refreshing and characteristic taste of soda water and other soft drinks is as a…
The refreshing and characteristic taste of soda water and other soft drinks is as a result of the…
A gas that is not associated with global warming is
A gas that is not associated with global warming is A. CO2 B. SO3 C. CH4 D. H2…
A phenomenon where an element exist in different forms in the same physical state is…
A phenomenon where an element exist in different forms in the same physical state is known as A.…
The substance often use for vulcanization of rubber is
The substance often use for vulcanization of rubber is A. chlorine B. hydrogen peroxide C. sulphur D. tetraoxosulphate…
For a reaction in equilibrium, the species involved in the equilibrium constant expression are
For a reaction in equilibrium, the species involved in the equilibrium constant expression are A. gaseous and solid…
Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered…
Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered form has A.…
N2(g) + O2(g) ↔ 2NO(g); ΔH = + 180.6 kJ mol-1 In the reaction above,…
N2(g) + O2(g) ↔ 2NO(g); ΔH = + 180.6 kJ mol-1 In the reaction above, increase in temperature…
Given that M is the mass of substance deposited in an electrolysis and Q the…
Given that M is the mass of substance deposited in an electrolysis and Q the quantity of electricity…
0.46g of ethanol when burned raised the temperature of 50g of water by 14.3K. Calculate…
0.46g of ethanol when burned raised the temperature of 50g of water by 14.3K. Calculate the heat of…