Question

A hollow cylinder of copper of length 25 cm and area of cross-section 15 cm, floats in water
3
with
of its length inside water. Calculate : (i) apparent density of hollow copper cylinder
5
On A (ii) wt. of cylinder (iii) extra force required to completely submerge it in water.
[(i) 0.6 gem (ii) 225 gf (iii) 150 gf​

Answer 1

Use of electrical energy for the dissociation of chemical compounds (electrolysis)

Use of electrical energy for the dissociation of chemical compounds (electrolysis)b) Use of chemical reactions for the product ion of electrical energy (electro chemical cells

Use of electrical energy for the dissociation of chemical compounds (electrolysis)b) Use of chemical reactions for the product ion of electrical energy (electro chemical cellsc) Use of electrical energy in the study and the preparation of chemical substances