Related MCQs

• Q. The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2
• Q. The following reaction is an example of a 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) (i) displacement r
• Q. Fill in the blank: Any reaction that produces a ………….. is called a precipitation reaction
• Q. Which of the following hydroxides is most basic?
• Q. A gas used for artificial ripening of fruits.
• Q. Successive members of a homologous series vary by how many atomic mass unit?
• Q. Which of the following metals are obtained by electrolysis of their chlorides in molten state? (i)
• Q. A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
• Q. Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Whic
• Q. The metal which is hard and has high melting point and used in filaments of electrical bulbs is