The weakest attractive force that can be observed between two molecules is
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4,306 questionsWhen 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
[Al = 27, S = 32, H = 1, O = 16]
Which of the following is physical change?
[Molar volume of a gas at s.t.p = 22.4 dm3]
The energy value of petrol can be determined by a
Which of the following types of alkanols undergo oxidation to produce alkanoic acids? I. Primary alkanols II. Secondary alkanols III. Tertiary alkanols