Question
Which of the following acid proves to be useful for the
purification of gold and silver?Solution
Nitric acid is used for purification of various precious metals, including gold, silver, and platinum. In metallurgy, it is used in combination with alcohol for etching designs on metals like brass, copper, bronze, etc.
For green manuring sunhemp can be sown during
Which of the following vitamin is conserved by parboiling of rice?
What is the size of semi intensive fish farm pond?
EMLA series of rootstock is free from:
Fat soluble vitamins include:
Indian Institute of pulse research is located at
When the production of both inter crops is equal to that of its solid planting, it is known as
The part of MB plough that resists the side pressure exerted by the furrow slice on the mould board is:
Fungal population is comparatively high in a soil having:
Which Fish has the highest protein content?
