Objective questions and answers on Metals and Non-metals:
Question: Which of the following statements is true?
(a) Metals do not possess lusture
(b) Mercury is not sensitive to healing changes
(c) Metalloids possess characteristics of both metals and non-metals
(d) Most of the elements known are non-metals
Question: Which metal can be cut by a knife?
Question: The non-metal form that can conduct electricity is:
Question: Which one of the following metals is found in a liquid state at room temperature?
Question: The property of metals due to which they can be drawn into wires is called _____.
Question: Metals generally form
(a) Basic oxides
(b) Acidic oxides
(c) Neutral oxides
(d) Both basic and acidic oxides
Question: Which of the following metals has low tensile strength?
(d) Both (b) and (C)
Question: Why is it that we never find bells made up of wood?
(a) Wooden bells are expensive
(b) Wood is not sonorous
(c) Wood is ductile
(d) None of these
Question: Which of the following is the hardest metal?
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Question: Metal rich mineral found in nature is ________.
Question: The percentage of gold present in 20 carat gold is –
Question: Which of the following is a non-metal?
Question: The most abundant element on the earth is ________.
Question: Which is the most reactive metal?
Question: Metals are __
(a) Malleable and ductile
(b) Non-malleable and ductile
(c) Brittle and ductile
(d) Non-malleable aid non-ductile
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Question: The most abundant metal in earth’s crust is:
Question: Which of these is the hardest?
Question: The non-metal which exists in a liquid state at room temperature is:
Question: Which metal is stored in kerosene oil?
Question: Zirconium metal is used in making bullet proof alloy of ______.
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Question: Which of the following non-metals is found in the liquid state at room temperature?
(d) Both (a) and (c)
Question: The chip packets are filled with an inactive gas, which prevents the spoilage of chips. The gas is…..
(b) Carbon dioxide
Question: Which of the following scientists classified elements into metals and non-metals?
(c) Humphry Davy
(d) J.J. Priestly
Question: Chromium & Nickel metals are used for
(a) Stainless steel
Question: Which is a good conductor of electricity?
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Question: The natural materials in which the metals or their compounds are found in the earth’s crust are called:
Question: Which of the following metals is found free in nature?
Question: The metal that occurs in a free state in the earth’s crust is:
(d) all the above
Question: The metal which is stored in kerosene:
Question: Iodine is used as an antiseptic in the form of ______ solution.
Question: Which of the following metals has the highest melting point?
Question: Metal which occurs in the free state as well as in the combined state is ____.
Question: A metal and non-metal element are likely to combine to form ____ bond.
(d) polar covalent
Question: The second most abundant nonmetal in earth’s crust is:
Question: Metal which is used to make jewelry :
(d) both (b) and (c)
Question: Ornaments are usually made up of ______ gold.
(a) 24 carats
(b) 22 carats
(c) 28 carats
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Question: Edible common salt contains
Question: Aluminum is a good conductor of heat, so it is used in the preparation of
(c) Electric wire
(d) All the above
Question: Common brass is an alloy of
(a) Cu and Tin
(b) Tin and Zinc
(c) Copper and zinc
(d) Bronze and lead
Question: The non-metal which is liquid at room temperature is:
Question: Plastic bags (carry bags) are made from polythene which are ______
Question: Metals are good conductors of electricity, because
(a) They are malleable.
(b) They are ductile.
(c) They have free electrons in their outermost shell.
(d) They show elasticity and plasticity.
Question: Identify the metalloid from the following:
Question: Which is the most abundant metal in the earth’s crust?
Question: The gas used in the welding and cutting of metals is
Question: Which metal melts in the palm
Question: Which one of the following non-metals is a good conductor of electricity?
Question: The most malleable metal is —
Question: Which of the following metals forms an amalgam with other metals ?
Question: The metals involved in nitrogenase are
(a) Fe and Mg
(b) Mo and K
(c) Mo and Fe
(d) Fe and K
Question: Which of the following is the lightest metal ?
Question: The lightest known metal is-
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Question: Which form of phosphorus is used in safety metals?
(a) Red Phosphorus
(b) White Phosphorus
(c) Yellow Phosphorus
(d) Black Phosphorous