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why the water is compound
what are the topics should i write for my assignment on mechanism of polymerization
SILENT FEATURES OF ELECTROCHEMICAL SERIES.
How sodium carbonate can increase surface area of a catalyst
what is the reaction of heavy water
atoms combine to form molecule because they tend to
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
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
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