Metals and Non-metals explained in a minute | Class 10 chemistry |CBSE | NCERT | Science in a minute

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CBSE Class 10 Science - Most Important MCQs - Chemistry | CBSE Board 2020

A solution of a salt of a metal was electrolysed for 150 minutes with a current of 0 . 15 amperes. The weight fo metal deposted was 0. 783 g . The equivalent weight to the metal is .

A class starts at 10 a.m. and lasts till 1.27 p.m. Four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is (a) 42 minutes (b) 48 minutes (c) 51 minutes (d) 53 minutes

The ECE of metal is z the mass of metal deposited by the passage of 500 mA current through the solution for four minutes will be

Physical properties of metals and non-metals|Chemical properties of metals|Metals with non-metals|Occurrence of metals|Corrosion|Summary

A metal ball cools from 62^(@)C to 50^(@)C in 10min and to 42^(@)C the next ten minutes. What will be its temperature at the end of next ten minutes ?