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mcq on Metals and Non Metals. We covered all the mcq on Metals and Non Metals in this post for free so that you can practice well for the exam.
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mcq on Metals and Non Metals for Students
What is the chemical formula of magnetite?
a) Fe₂O₃
b) FeS₂
c) FeCO₃
d) Fe₃O₄
Option d – Fe₃O₄
Most Metals react with Acids to produce a Salt and hydrogen gas. Which Acid listed below does not release hydrogen gas when reacting with most Metals (excluding Mn and Mg)?
a) H₂SO₄
b) HCl
c) HNO₃
d) All of these
Option c – HNO₃
Silver objects darken over time due to exposure to air. This happens because of the formation of
a) Ag₃N
b) Ag₂O
c) Ag₂S
d) Both Ag₂S and Ag₃N
Option c – Ag₂S
A metal sample was placed in test tubes A, B, and C containing concentrated HCl, HNO₃, and a mixture of HCl and HNO₃ (in a 3:1 ratio), respectively. The metal only dissolved in test tube C. The metal is likely to be
a) Aluminium
b) Gold
c) Copper
d) Platinum
Option b – Gold
Which Metals are components of hemoglobin and chlorophyll respectively?
a) Iron and magnesium
b) Iron and zinc
c) Magnesium and zinc
d) Zinc and magnesium
Option a – Iron and magnesium
What form of phosphorus is commonly used in the production of safety matches?
a) Red phosphorus
b) White phosphorus
c) Phosphorus trioxide (P₂O₃)
d) Black phosphorus
Option a – Red phosphorus
Vulcanizing rubber on a commercial scale involves the use of
a) Sulphur
b) Carbon
c) Phosphorus
d) Selenium
Option a – Sulphur
What material is commonly used for making heating coils?
a) Nichrome
b) Tungsten
c) Copper
d) Iron
Option a – Nichrome
When metal jewelry is immersed in a gold Salt solution, a thin gold layer forms due to
a) Cooling below 0°C
b) Heating above 100°C
c) Applying an electric current
d) Leaving it undisturbed for 10 minutes
Option c – Applying an electric current
Which metal is ideal for shipbuilding due to its resistance to seawater corrosion?
a) Tungsten
b) Nickel
c) Antimony
d) Titanium
Option d – Titanium
Granite is primarily made up of which two components?
a) Iron and silica
b) Iron and silver
c) Silica and aluminium
d) Iron oxide and potassium
Option c – Silica and aluminium
Identify the micronutrient present in soil that supports crop growth.
a) Calcium
b) Manganese
c) Magnesium
d) Potassium
Option b – Manganese
Which metal is widely used in mobile phone batteries?
a) Copper
b) Zinc
c) Nickel
d) Lithium
Option d – Lithium
Which element never shows a positive oxidation state in any compound?
a) Oxygen
b) Chlorine
c) Fluorine
d) Carbon
Option c – Fluorine
Oxygen and ozone are examples of
a) Allotropes
b) Isomers
c) Isotopes
d) Isobars
Option a – Allotropes
Which element, found in abundance on the moon, could help solve Earth’s energy crisis?
a) Helium-I
b) Helium-II
c) Helium-III
d) Helium-IV
Option c – Helium-III
Which allotrope of carbon has a strong 3D structure?
a) Graphite
b) Fullerene
c) Diamond
d) Carbon black
Option c – Diamond
Which elements are in liquid state at room temperature and standard pressure? 1. Helium 2. Mercury 3. Chlorine 4. Bromine
a) 2 and 3
b) 2, 3 and 4
c) 2 and 4
d) 1 and 3
Option c – 2 and 4
Both potassium and sulfuric Acid form intercalation compounds with graphite. In this reaction, the graphite layers are
a) Reduced in both cases
b) Oxidized in both cases
c) Oxidized with potassium and reduced with sulfuric Acid
d) Reduced with potassium and oxidized with sulfuric Acid
Option d – Reduced with potassium and oxidized with sulfuric Acid
Which gas is also referred to as “Stranger Gas”?
a) Argon
b) Neon
c) Xenon
d) Nitrous oxide
Option c – Xenon
Which of the following statements is false regarding diamond?
a) Every carbon Atom is bonded to four others
b) It forms a 3D carbon Network
c) It is used for sharpening tools
d) It acts as a lubricant
Option d – It acts as a lubricant
When water boils vigorously, what are the bubbles mainly composed of?
a) Air
b) Hydrogen
c) Hydrogen and oxygen
d) Water vapor
Option c – Hydrogen and oxygen
Identify the compound that is not a nitrogen-based fertilizer.
a) Ca(CN)₂
b) CaCN₂
c) NH₂NO₃
d) Urea
Option a – Ca(CN)₂
What is the correct order in which the gases H₂, Ne, O₂, and N₂ are released during the fractional distillation of liquid air?
a) H₂, Ne, O₂, N₂
b) H₂, Ne, N₂, O₂
c) N₂, O₂, Ne, H₂
d) O₂, N₂, H₂, Ne
Option b – H₂, Ne, N₂, O₂
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