Questions and answers by

Elena

Questions (5)

The area of a square field is 64 hectares.Find the cost of fencing it with a wire at Rs. 21.50 per metre. *
1. 1 answer
2. 286 views
Redox reactions(Cr2O7)2- + 2Al + 14H+ <—> 2Cr3+ + 2Al3++ 7H2O 1) how many ml of solution 1.50 M e (Cr2O7)2- are needed to act
1. 1 answer
2. 521 views
In a container with volume 1 litreare placed 2.2 moles of substance A2B and 0.4 moles of substance B2. The system at 750 ° C
1. 1 answer
2. 348 views
Balance the equation using ion-electron method(S2O3)2- + (OCl)- = (SO4)2- + Cl-
1. 1 answer
2. 1,408 views
One fourth of a watermelon is divided among three friends what fraction of the whole watermelon will each person get
1. 2 answers
2. 1,243 views