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Q. Explain about Neutral and Amphoteric oxides? Neutral oxides have neither acidic nor basic properties and when dissolved in water, they give neutral solutions, e.g., CO, N
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr
Q. What is Pairing energy explain? Pairing energy, P, depends mainly on the electronic distribution of the central metal ion and its value can be obtained from the atomic spect
why we consider carbon as standared for atomic mass unit
HOW TO PREPARE IN EXAMS IN EASY MANNER?
You make up 0.100 L of a buffer having 1.00 M acetic acid and 1.10 M sodium acetate. The Ka of acetic acid is 1.8 x 10-4. (a) Determine the pH of this buffer.
how do we estimate nicotine in tobacco qualitatively in lab by simple chemical test?
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
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