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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.
Which authority has the power to promulgate ordinances when Parliament is not in session in India?
According to Article 100 of the Indian Constitution, what fraction of members constitutes the quorum for meetings of either House of Parliament?
How many years must a person of Indian origin reside in India to become a citizen under the Citizenship Act, 1955?
The "Right to Education" for children aged 6 to 14 years became a fundamental right under which Constitutional Amendment in India?
The 'Fundamental Duties' of citizens are enshrined in which part of the Indian Constitution?
Who is known as the guardian and final interpreter of the Constitution?
Which article of the Indian Constitution guarantees the right to move to the Supreme Court for the enforcement of Fundamental Rights and authorizes the ...
Which of the following statements about Fundamental Rights in the Indian Constitution is FALSE?
Which of the following indices is not considered while calculating Human Development Index (HDI)?
Identify the incorrect pair related to Indian Constitutional Amendments:
