Question

state which of the following formulae of compounds 1 to 5 care incorrect. If incorrect write the correct formulae i)Ca2(PO4)3. ii) NaO2 iii)Kcr2O7 iv) Mg(So4)3 v) Bacl3


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Answer 1

Answer:

2) Na(oH)2

4) MgSo4

5) Bacl2

3) CRO

Answer 2

Answer:

Jute fibre is obtained from the stalks of the jute plant. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. The fibres are then separated from the stem in long strands and washed in clear, running water.