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The outer electronic structure 3s2 3p5 is possessed by:
(1) Cl
(2) O
(3) Ar
(4) Br
ans: Cl
characteristics of group 13 elements
Uses of Acetic anhydride (a) Acetic anhydride is used as an acetylating agent. (b) Acetic anhydride is used for the detection and estimation of hydroxyl and amino group.
Preparation of benzaldehyde by etard''s reaction
A copper tube 1 inch in diameter and 2 feet long is filled with steel balls of 1 inch in diameter. The space between the balls is filled with water. The specific gravity of steel i
The nucleus of tritium contains: (1) 1 proton + 1 neutron (2) 1 proton + 3 neutron (3) 1 proton + 0 neutron (4)1 proton + 2 neutron An
the name of the group of metals that easily loses electrons
Strategy 3 Two levels of wheat flour 3960g and 3940g and two levels of baking powder 60g and 40g are selected to be tested. In all trials the percentages of A, B and C are fix
please tell the observation & inference, when ammonium phosphate (NH4)3PO4 undergoes charcoal cavity test & cobalt nitrate test.....
A solution is prepared with 3.85g of a non-ionic unknown compound in 100.0g cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. What is the molar mass of the un
Q. Explain Combined Gas Law? Ans. The combined gas law combines Boyle's law and Charles' law. The combined gas law describes situations where a gas undergoes simul
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