- hydrogen
- lithium
- sodium
- francium
Author: Zabeehullah
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- cast iron
- hard steel
- stainless steel
- wrought iron
- acetic acid
- citric acid
- tartaric acid
- benzoic acid
- hydrogen atoms only
- atoms or ions which are uni electron
- atoms or ions which have only two electrons
- hydrogen molecule.
- Monohydroxy carboxylic acid
- Monohydroxy aliphatic carboxylic acid
- Monohydroxy aliphatic, saturated carboxylic acid
- Dihydroxyl aliphatic carboxylic acid
- benzoic acid
- CH3CH(NH2)COOH
- C4H9COOH
- C3H7COOH
- increases down the group
- decreases down the group
- increases till As then decreases
- decreases till As, then increases
- increases down the group
- decreases down the group
- increases till As then decreases
- decreases till As, then increases
- bauxite and malachite
- cuprite and calamine
- bauxite and cryolite
- cuprite and diaspore
- N,N-dimethylaniline
- 2,4-dimethylaniline
- N-methyl-o-metylaniline
- p– methylbenzylamine
- Oxygen, ozone
- Hydrogen, deuterium
- Red P, yellow P
- Diamond, graphite
- Oxygen, ozone
- Hydrogen, deuterium
- Red P, yellow P
- Diamond, graphite
- Pure copper
- Alloy of coppeer
- Copper containing some impurity
- Ore of copper
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