Deep blue color is imparted to glass by the presence of
1 Iron oxide
2 Cupric oxide
3 Nickel oxide
4 Cobalt oxide
Answer Posted / guest
(4) Cobalt oxide
| Is This Answer Correct ? | 18 Yes | 2 No |
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A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
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