A wire mesh consisting of very small squares is viewed at a distance
A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging…
7 years ago
AIIMS2006
Borax is used as a cleansing agent because on dissolving in water it gives
Borax is used as a cleansing agent because on dissolving in water it gives Options (a) alkaline solution (b) acidic…
7 years ago
The Ca²⁺ and F⁻ are located in CaF₂ crystal,respectively at face centred cubic lattic points
The Ca²⁺ and F⁻ are located in CaF₂ crystal,respectively at face centred cubic lattic points and in Options (a) tetrahedral…
7 years ago
The enthalphy change for the reaction N₂ + 3H₂ → 2NH₃ is -92.38 kJ at 298K
The enthalphy change for the reaction N₂ + 3H₂ → 2NH₃ is -92.38 kJ at 298K. The internal energy change…
7 years ago