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An electronic transition from 1s orbital of an atom causes:
(1) Absorption of energy
(2) Release of energy
(3) Both release or absorption of energy
(4) Unpredictable
Ans: Absorption of energy
Q. Definition of Avogadros Hypothesis? Ans. Equal volumes of different gases at the same temperature and pressure contain the same number of molecules. At a given temperatu
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Electrocatalysis is a branch of electrochemistry dealing with anodically and cathodically induced radical reaction mechanisms utilizing the electrochemical reactivity of an organom
Choose the best definition of temperature
the properties of s,p,d,f block elements?
what are the uses of synthetic elements?
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
Q. Illustrate Classification of Matter? Pure Substances In order to understand what a pure substance is, you must think of it on an atomic level. Elements and compounds
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
A tank containing 100 kg of a 60% brine (60% salt) is filled with a 10% salt solution at the rate of 10 kg/min and 78°F. Solution is removed from the tank at the rate of 15 kg/min.
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