Practice Chemistry - general science mcq Online Quiz (set-2) For All Competitive Exams
Q-1) Which among the following atoms has high atomic radi?
(a)
(b)
(c)
(d)
Q-2) The metal which is hard and has high m.p. and used in electric bulbs is
(a)
(b)
(c)
(d)
Tungsten (W) is used in electric bulbs.
Q-3) The lightest liquid metal is
(a)
(b)
(c)
(d)
Cs is a metal. It is liquid at room temperature. It is lighter than Hg (also a liquid metal).
Q-4) The element which has least tendency to lose electron is
(a)
(b)
(c)
(d)
He is an inert gas.
Q-5) Which one of the following elements is a metalloid?
(a)
(b)
(c)
(d)
Q-6) Newlands could classify elements only upto
(a)
(b)
(c)
(d)
Q-7) According to Newland’s law of octaves, which element is the repetition of the first element in the periodic table?
(a)
(b)
(c)
(d)
Q-8) Which one of these group of elements is also called the halogen family?
(a)
(b)
(c)
(d)
Q-9) The atomic number of an element tells you the number of ................ in a neutral atom.
(a)
(b)
(c)
(d)
Q-10) Process of solid camphor into camphor vapour is called
(a)
(b)
(c)
(d)
Q-11) Consider the following statements : - The rate of evaporation depends only on the surface area exposed to the atmosphere.
- Latent heat of vaporisation is the heat energy required to change 1 kg of a liquid to gas at atmospheric pressure at its melting point.
Which of these statement(s) given above is/are correct ?
(a)
(b)
(c)
(d)
Q-12) The early attempt to classify elements as metals and nonmetals was made by
(a)
(b)
(c)
(d)
Q-13) The early attempt to classify elements as metals and nonmetals was made by
(a)
(b)
(c)
(d)
Q-14) What is the correct increasing order of electronegativity for the most common oxidation states among the following elements ?
(a)
(b)
(c)
(d)
Q-15) Which of the following group of elements belongs to alkali metals?
(a)
(b)
(c)
(d)
Alkali metals have 1 electron in valence shell.
Q-16) All the members in a group in long form of periodic table have the same
(a)
(b)
(c)
(d)
Because of the presence of same number of valence electrons the elements of same group have similar chemical properties.
Q-17) Mendeleev classified elements in
(a)
(b)
(c)
(d)
Mendeleev’s periodic table consists of seven periods and eight groups.
Q-18) The elements of a group in the periodic tabic
(a)
(b)
(c)
(d)
Q-19) The long form of periodic table consists of
(a)
(b)
(c)
(d)
Q-20) The long form of periodic table consists of
(a)
(b)
(c)
(d)