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Which of the following will change when a catalyst is added to a chemical reaction?
The commonest feature of reactions at the anode is that
If an equilibrium reaction has ΔH > 0, the reaction will proceed favourably in the forward direction at
A change in temperature of a saturated solution disturb the equilibrium between the
When 10g of sodium hydroxide is dissolved in 1000cm\(^3\) of water, the sodium formed is approximately
[Na = 23, H = 1, O = 16]
Farmlands affected by crude-oil spillage can be decontaminated by
A liquid that will dissolve fat is?
The structural component that makes detergent dissolve more quickly in water than soap is
Which of the following ions is acidic?
A consequence of global warming is?
The weakest attractive force that can be observed between two molecules is
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes
A gas exerts pressure on its container because
I. H = 1S\(^1\) II. N = 1S\(^2\) 2S\(^2\)2P\(^3\) III. O = 1S\(^2\) 2S\(^2\) 2P\(^4\) IV. Zn = 1S\(^2\) 2S\(^2\) 2P\(^6\) 3S\(^2\) 3P\(^6\) 4S\(^2\) 3d\(^{10}\)
From the above, which of the following pairs is like to be paramagnetic?
According to the kinetic theory, an increase in temperature causes the kinetic energy of particles to
The noble gases owe their inactivity to
Neutral atoms of neon with atomic number 10 have the same number of electron as
3Cu + pHNO3 →3Cu(NO)2 + 4H2 O + xNO
In the equation above, the values of p and x respectively are
The filter in the cigarette reduces the nicotine content by