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Jaspreet

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Ok, This is so Hard!!! :(A friend tells you that he used a mirror to "collect" light (really, I don't know how that is
1. 1 answer
2. 719 views
How many litres of 30percent alcohol solution must be mixed with 30litre of a90percent solution to get a 80percent solution?
1. 2 answers
2. 578 views
i have BaCl2.2H2O ,how can i get BaCl2.6H2O from it.or i have CuCl2.2H2O how can i get CuCl2.6H2O from it. actually i am working
1. 0 answers
2. 528 views
A highway is to be built between two towns, one of which lies 49.0 km south and 95.0 km west of the other. (a) What is the
1. 0 answers
2. 689 views