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Metal and Non Metal mcq. We covered all the Metal and Non Metal mcq in this post for free so that you can practice well for the exam.
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mcq on Metal and Non Metal for Students
What are the products formed when sodium is exposed to air?
(a) Na₂O
(b) NaOH
(c) Na₂CO₃
(d) All of these
Option d – All of these
In the reaction Zn + H₂O (steam) → A + B, what are A and B?
(a) Zn and H only
(b) ZnH₂ and O₂
(c) ZnO₂ and O₂
(d) ZnO and H₂
Option d – ZnO and H₂
Choose the correct order of increasing reactivity among the following Metals.
(a) Zn < Fe < Mg < K
(b) Fe < Mg < Zn < K
(c) Fe < Mg < K < Zn
(d) Fe < Zn < Mg < K
Option d – Fe < Zn < Mg < K
Nitrogen is an essential part of which of the following?
(a) Plants only
(b) Soils and plants only
(c) Soils and animals only
(d) Soils, animals, and plants
Option c – Soils and animals only
What component(s) in air contribute to the rusting of iron?
(a) Oxygen only
(b) Moisture only
(c) Oxygen and moisture
(d) Moisture and carbon dioxide
Option c – Oxygen and moisture
What is the correct ratio of concentrated HCl to concentrated HNO₃ to make aqua regia?
(a) 3 : 1
(b) 1 : 3
(c) 4 : 1
(d) 1 : 4
Option a – 3 : 1
Which metal is commonly extracted from its carbonate ore?
(a) Calcium
(b) Aluminium
(c) Zinc
(d) Magnesium
Option c – Zinc
Which of the following Metals can melt simply by placing it on the palm?
(a) Lithium
(b) Caesium
(c) Sodium
(d) Potassium
Option b – Caesium
Which non-metal among the following is shiny in appearance?
(a) Fluorine
(b) Chlorine
(c) Iodine
(d) Bromine
Option c – Iodine
Copper is obtained from which of the following ores?
(a) Kupfernickel
(b) Dolomite
(c) Galena
(d) Malachite
Option d – Malachite
A student added zinc granules to copper sulphate solution. What observation is correct?
(a) Only I: Zinc granules have irregular shapes
(b) Only II: Zinc granules are silvery grey
(c) Only III: Zinc turns brownish black
(d) I, II, and III
Option c – Only III: Zinc turns brownish black
Which metal develops a protective oxide layer on exposure to air?
(a) Sodium
(b) Aluminium
(c) Potassium
(d) Magnesium
Option b – Aluminium
Select the correct order of melting points of magnesium halides.
(a) MgF₂ > MgCl₂ > MgBr₂ > MgI₂
(b) MgI₂ > MgBr₂ > MgCl₂ > MgF₂
(c) MgCl₂ > MgBr₂ > MgF₂ > MgI₂
(d) MgCl₂ > MgBr₂ > MgI₂ > MgF₂
Option a – MgF₂ > MgCl₂ > MgBr₂ > MgI₂
Which pair of elements has the same number of valence electrons?
(a) Cl and Ar
(b) C and Ge
(c) Na and Ca
(d) K and Mg
Option b – C and Ge
Identify the two Metals that displace hydrogen from Acids and two that do not.
(a) Potassium, calcium; aluminium, zinc
(b) Sodium, calcium; zinc, iron
(c) Zinc, iron; copper, mercury
(d) Copper, mercury; silver, gold
Option c – Zinc, iron; copper, mercury
What metal is commonly added to iron to produce stainless steel?
(a) Carbon
(b) Tin
(c) Chromium
(d) Aluminium
Option c – Chromium
Which metal is believed to be the earliest used by humans?
(a) Gold
(b) Silver
(c) Copper
(d) Iron
Option c – Copper
Which of the following is not considered a metal?
(a) Sulphur
(b) Sugar
(c) Nitrogen
(d) All of these
Option d – All of these
Why does metal feel colder than wood on a chilly morning?
(a) Metal has a high specific Heat capacity
(b) Metal conducts Heat more efficiently
(c) Metal has a low specific Heat capacity
(d) Metal is a poor Heat conductor
Option b – Metal conducts Heat more efficiently
If a metal forms MCl₃ and its equivalent Mass is 9, what is its atomic Mass?
(a) 9
(b) 18
(c) 27
(d) 3
Option c – 27
What is meant by anode mud?
(a) A part of the anode
(b) Metal used as anode
(c) Impurities that settle at the anode during metal purification by electrolysis
(d) All of the above
Option c – Impurities that settle at the anode during metal purification by electrolysis
Which of these combinations will result in a displacement reaction?
(a) Zinc sulfate solution with aluminium
(b) Magnesium chloride solution with aluminium
(c) Iron sulfate solution with silver
(d) Silver nitrate solution with copper
Option d – Silver nitrate solution with copper
Why are Food containers coated with tin rather than zinc?
(a) Tin is more expensive than zinc
(b) Tin has a lower melting point than zinc
(c) Tin is less reactive than zinc
(d) Tin is more reactive than zinc
Option c – Tin is less reactive than zinc
Which of these Metals reacts with water or steam to form an oxide instead of a hydroxide?
(a) Sodium
(b) Potassium
(c) Calcium
(d) Magnesium
Option d – Magnesium
Which non-metal turns into vapor directly on heating?
(a) Fluorine
(b) Chlorine
(c) Bromine
(d) Iodine
Option d – Iodine
In the process of copper extraction, the reaction Cu₂S + 2Cu₂O → 6Cu + SO₂ takes place during which stage?
(a) Roasting
(b) Self-reduction
(c) Refining
(d) Purification
Option b – Self-reduction
What is referred to as matrix in Metallurgy?
(a) Undesirable material found in ores
(b) A substance added to eliminate impurities
(c) Slag produced from the reaction of flux and gangue
(d) Substance used to reduce metal oxides
Option a – Undesirable material found in ores
What Metals make up German silver?
(a) Copper and zinc
(b) Copper and tin
(c) Copper, nickel, and zinc
(d) Aluminium, copper, magnesium, and manganese
Option c – Copper, nickel, and zinc
Why is red phosphorus used in safety match production?
(a) It emits Light in the dark
(b) It is relatively less reactive at room temperature
(c) It does not change to white phosphorus when heated
(d) It remains inert to halogens on heating
Option b – It is relatively less reactive at room temperature
A metal shows no gas formation when added to dilute hydrochloric Acid. What could the metal be?
(a) Potassium
(b) Sodium
(c) Silver
(d) Zinc
Option c – Silver
Which of the following are steps in the extraction of Metals?
(a) Crushing and grinding the ore
(b) Concentrating or enriching the ore
(c) Obtaining the metal from the concentrated ore
(d) All of the above
Option d – All of the above
Duralumin alloy is primarily made from which metal?
(a) Tin
(b) Zinc
(c) Aluminium
(d) None of these
Option c – Aluminium
When copper is exposed to air, its shiny surface turns green due to the formation of which compound?
(a) Copper sulfate
(b) Copper carbonate
(c) Copper nitrate
(d) Copper oxide
Option b – Copper carbonate
Which of the following combinations would undergo a chemical reaction?
(a) Magnesium sulfate and iron
(b) Zinc sulfate and iron
(c) Magnesium sulfate and lead
(d) Copper sulfate and iron
Option d – Copper sulfate and iron
In an experiment, concentrated HCl, HNO₃, and their 3:1 mixture are placed in tubes A, B, and C. A metal dissolves only in tube C. The metal is likely to be:
(a) Aluminium
(b) Gold
(c) Copper
(d) Platinum
Option b – Gold
What is produced when an element from Group IA reacts with water?
(a) MOH and O₂
(b) MOH and water
(c) MOH and H₂
(d) MH and H₂
Option c – MOH and H₂
Which compound is used in producing Food-packaging foils?
(a) Silver nitrate
(b) Silver oxide
(c) Silver bromide
(d) Silver chloride
Option c – Silver bromide
In the reaction M + O₂ → MO₂, forming a superoxide, the metal M is:
(a) Lithium
(b) Sodium
(c) Potassium
(d) Barium
Option d – Barium
Which of these oxide groups is not extracted through smelting?
(a) ZnO and Fe₂O₃
(b) SnO₂ and PbO
(c) MnO₂ and ZnO
(d) CaO and MgO
Option d – CaO and MgO
Which of the following non-Metals exists in liquid form at room temperature?
(a) Fluorine
(b) Chlorine
(c) Iodine
(d) Bromine
Option d – Bromine
Given the electronic configurations: X – 2,8 Y – 2,8,7 Z – 2,8,2 Which statement is correct?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal
Option d – Y is a non-metal and Z is a metal
Al₂O₃·2SiO₂·2H₂O represents the chemical formula of which mineral?
(a) Bauxite
(b) Hematite
(c) China clay
(d) Monazite
Option a – Bauxite
Which method is used for purifying Metals that are volatile in nature?
(a) Oxidation
(b) Distillation
(c) Liquation
(d) Electrolytic refining
Option b – Distillation
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