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Chemistry in action - Antiseptics The chemical substances that are utilized to kill or avoid the growth of micro-organisms are known as antiseptics. These are not harmful to li
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Physical Properties of oils and Fats (a) Fats are solids, while oils are liquids. (b) They both are soluble in ether, chloroform and benzene although insoluble in water.
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
what are binary compounds of hydrogen?describe briefly hydrides formed by alkali metals and halogen?
Q. Isomerism in Coordination Compounds? You have already learnt about isomerism in your earlier studies. The phenomenon of isomerism is not restricted to organic compounds only
Name the common element present in the anode mud in electro refinig of copper. Ans) ANTOMONY ,STRONSIUM,SELENIUM,TELLURIUM,SILVER,GOLD AND PLATINUM . THESE ELELMENTS ,BEING LESS R
addition of different regent in sample of salt changes its colour
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
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