______ is an important metal to form amalgam.
Amalgam : • Alloy obtained after mixing mercury with another metal is called Amalgam. • All metals but Iron, Platinum, Tungsten and Tantalum form Amalgam with mercury. • Siver and gold amalgams are used to fill tooth cavities in dentistry. • Metallic bonds (arising out of electrostatic forces) hold the metals together in amalgam. Mercury : Mercury is a transition metal present in period 6 and group 12 of the periodic table with 80 as the atomic number. • Mercury is the only metal, which is liquid at room temperature. • When placed in a tube meniscus of mercury is convex, opposite to concave meniscus of water. • It is used in clinical thermometers because of the property of its proportional expansion with increasing temperature. • Elemental mercury is toxic to living beings and Minamata disease is associated with its consumption.
Inbreeding or consanguineous mating is mating between individuals related by ………………..
What is the primary characteristic of Chrysanthemum blooms in the class "Spider"?
The product of pedigree selection is
The other name for chloroform is-
A quality of angiosperms without any exception is
Farmers Service societies were first established in the year
Agroforestry involves two or more species of plants, at least one if which is:
Which of the following environmental conditions is LEAST conducive to plant germination and early growth?
Under given pest, BT cotton shows resistant to?
ICAR was established in the year?