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The electronic configuration 1s2, 2s2, 2p1x, 2p1z:
(1) Oxygen
(2) Nitrogen
(3) Hydrogen
(4) Fluorine
Ans: Nitrogen
When NaCl is dissolved in water, the sodium ion become
Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
explain diffusion
Explain enzymes catalysed reactions and non enzyme catalysed reaction
475 ml at 54 psi to 1760 torr
Addition of Grignard reagents: Grignard reagents react along with carbonyl compounds to offer alcohols. Nature of alcohol lies on the nature of carbonyl compound. Addition o
Q. Explain the working of chemical cell ? Ans. A chemical cell can be set up by dipping two different metals in an electrolyte and connecting the two metals with an external
Cathode rays have
proper definition plz
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