The coldest region of the atmosphere(a) Troposphere(b) Thermosphere(c) Stratosphere(d) MesosphereAnswer: dVideo Explanation 22.Regular use of which of the following fertilizers increases the acidity of soil?(a) Potassium nitrate(b) Superphosphate of lime(c) Ammonium…
Which of the following atoms or ions has the electronic configuration 1s22s22p63s23p6 ?(a) Ne(b) Al3+(c) Cl-(d) Mg2+Answer: cExplanationThe Chlorine (17) electron configuration will be 1s22s22p63s23p5. The chloride ion (Cl-), on the…
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