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which of the following organic compounds has the lowest boiling point?
Biotechnology is applied in the?
In a mixture of gases which do not react chemically together, the pressure of the individual gas is?
consider the reaction represented by the following equation: 2SO\(_2\) + O\(_2\) ⇌ 2SO\(_3\)
A decrease in the pressure of the reaction would
If the oxidation potential of Mg and Al are +2.37 volts and + 1.66 volts respectively, then the Mg would?
The process by which alkanoic acid reacts reversibly with alkanols is known as?
The oxidation of chromium in Cr\(_2\)O\(_7\)\(^{2-}\) ?
consider the following reaction equation: 2NH\(_3 \) .+ 3Cl\(_2\) → N2 + 6HCl.
NH\(_3\) is acting as?
If a catalyst is added to a system, the temperature and the pressure remain constant, there would be no effect on the?
Which of the following reagents could be used to distinguish between propan-1-ol and propan-2-ol ?
When excess chlorine is mixed with ethane at room temperature, the product formed is?
An organic compound contains 72% carbon, 12% hydrogen and 16% oxygen by mass. What is the empirical formula of the compound?
[ H = 1.0. C = 12.0, O = 16.0 ]
What is the characteristic of the gas liberated when dilute hydrochloric acid is added to Iron(ii)sulphide?
Which of the following compounds is formed by the oxidation of ethanol?
If the value of ΔH is positive for a reaction, it means that the reaction is?
When quicklime dissolves in water?
which of the following pairs of substances has the highest heat of neutralization?
consider the following reaction equation: 2Al(OH)\(_3\) + 3H\(_2\)SO\(_4\) →Al\(_2\)(SO4)\(_3\)(aq)+6H\(_2\)O. How many moles of tetraoxosulphate(vi)acid is needed to produce 0.5mol of aluminium tetraoxosulphate(vi)?
The most suitable indicator for the reaction between NaOH and HCOOH is?
A sample of air was bubbled into water. The PH of the water slowly changed from 7 to 6. Which of the following gases in the samples caused the change?