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India added 3 more wetlands to its list of Ramsar sites on the eve of Independence Day 2024, bringing the total number of Ramsar sites in the country to 85.
Atomic number of an element is equal to the number of ____ in the nucleus.
What term describes the enthalpy change when a substance transitions from solid to liquid at its melting point?
A substance X turns the colour of red litmus blue, and it will change methyl orange-
What happens when camphor is heated?
Which gas turns into a liquid at the lowest temperature?
What property is shared by isotopes of an element?
Which of the following statement is CORRECT?
What is the atomic number of silicon, a component of quartz?
Which substance is used to dissolve noble metals?
Which of the following is the most reactive element in the Periodic table?