What suggestion was given to Ansaris by the property dealer?
Answer : (a) All the elements in the same column as boron have the same number of valence electrons (3). Hence, they all have valency equal to 3. (b) All the elements...
1 Answers 1 views(c) Velocity and (d) Momentum
1 Answers 1 viewsMendeleev arranged the elements in his periodic table ordered by atomic weight or mass. He arranged the elements in periods and groups in order of their increasing atomic weight. He...
1 Answers 1 viewsThe oxidizing character of elements increases from left to right across a period. Thus, we get the decreasing order of oxidizing property as F > O > N. Again, the...
1 Answers 1 views(a) (iii); (b) (i); (c) (ii); (d) (iv)
1 Answers 1 views(i) This happened because earth wire was not used in the electric appliances. The purpose of earthing is that in case of an insulation failure in some appliance, this wire...
1 Answers 1 viewsThe Ansaris were treated unequally on the basis of religion.
1 Answers 1 views(i) This happened because earth wire was not used in the electric appliances. The purpose of earthing is that in case of an insulation failure in some appliance, this wire...
1 Answers 1 views(c) the elastic property as well as the inertia property EXPLANATION: The speed of the sound in a fluid is V = √(B/ρ) and in a longitudinal solid rod V = √(Y/ρ)...
1 Answers 1 viewsThe experiences of Omprakash Valmiki and the Ansaris were similar. Both of them suffered unequal treatment and were discriminated at individual level because they belonged to different castes or religions. In...
1 Answers 1 views