কাজ
খাদ্যতালিকাগত পরিপূরক চিকিৎসায় নির্দেশিত হয়।
(c) Food cans are coated with tin and not with zinc because zinc is more reactive than tin.
1 Answers 1 viewsNa atom get oxidize and Cl is reduced
1 Answers 1 views(a) Magnesium chloride →MgCl2 (b) Calcium oxide →CaO (c) Copper nitrate →Cu(NO3)2 (d) Aluminium chloride →AlCl3 (e) Calcium carbonate →CaCO3
1 Answers 2 viewsHint– Step-1 Separate iron filings with the help of a magnet Step-2 Sublimation of the remaining mixture separates ammonium chloride Step-3 Add water to the remaining mixture, stir and filter Step-4 The filtrate can...
1 Answers 1 viewsZinc can be beaten into thin sheets.
1 Answers 1 viewsZinc protects better because oxidation of zinc is greater but that of tin is less than that of iron.
1 Answers 1 viewsZinc is more reactive than copper. Therefore, zinc can displace copper from its salt solution. If copper sulphate solution is stored in a zinc pot, then zinc will displace copper...
1 Answers 1 viewsThe correct answer " NaCN '
1 Answers 1 views[Hint : Zinc reacts at faster rate as compared with copper, further zinc is cheaper than copper.]
1 Answers 1 viewsThe correct answer is (b)
1 Answers 1 views