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12th Class Chemistry Chapter 2 MCQs with Answers

12th Class Chemistry Chapter 2 MCQs

Welcome to the 12th Class Chemistry Chapter 2 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 12th Class Chemistry Chapter 2 S-block Elements.

You can find all the 12th Class Chemistry Chapter 2 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 12 Chemistry MCQs online tests for those who want full marks in their exams.

S-block elements are located in which block of the periodic table?
a) p-block
b) s-block
c) d-block
d) f-block

Answer
b) s-block

The group of s-block elements is also known as:
a) Alkali metals
b) Halogens
c) Noble gases
d) Transition metals

Answer
a) Alkali metals

Which element is the second-lightest and most abundant element in the universe?
a) Hydrogen
b) Helium
c) Lithium
d) Sodium

Answer
b) Helium

The first member of the alkali metal family is:
a) Sodium
b) Potassium
c) Lithium
d) Rubidium

Answer
c) Lithium

Alkali metals have valence electrons.
a) 1
b) 2
c) 3
d) 7

Answer
a) 1

Alkali metals are known for their:
a) High electronegativity
b) Low reactivity
c) High reactivity
d) Non-metallic nature

Answer
c) High reactivity

The alkali metal that is essential for bone health and nerve function is:
1
a) Sodium
b) Potassium
c) Calcium
d) Lithium

Answer
c) Calcium

The alkali metal that is used in making fireworks to produce a crimson flame is:
a) Sodium
b) Potassium
c) Rubidium
d) Cesium

Answer
b) Potassium

Which alkali metal is known to spontaneously ignite in air?
a) Sodium
b) Potassium
c) Rubidium
d) Lithium

Answer
c) Rubidium

The alkali metal that is used in batteries and has the symbol “Li” is:
a) Lithium
b) Sodium
c) Potassium
d) Cesium

Answer
a) Lithium

Alkali metals react vigorously with water to produce:
a) Carbon dioxide
b) Hydrogen gas
c) Oxygen gas
d) Nitrogen gas

Answer
b) Hydrogen gas

The alkali metal that is used as a coolant in nuclear reactors is:
a) Sodium
b) Potassium
c) Rubidium
d) Cesium

Answer
d) Cesium

The alkaline earth metal family is located in Group:
a) 1
b) 2
c) 7
d) 8

Answer
b) 2

Alkaline earth metals have valence electrons.
a) 1
b) 2
c) 3
d) 7

Answer
b) 2

Which alkaline earth metal is commonly used in fireworks to produce a bright red color?
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
c) Strontium

The alkaline earth metal that is essential for strong bones and teeth is:
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
b) Calcium

Which alkaline earth metal is used in the production of lightweight alloys for aircraft?
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
a) Magnesium

The alkaline earth metal that is used in medical imaging to enhance X-ray images is:
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
d) Barium

The general electron configuration of s-block elements is:
a) ns²
b) ns² np³
c) ns² np⁶
d) ns¹

Answer
a) ns²

The element with the symbol “Na” in the periodic table is:
a) Nitrogen
b) Neon
c) Sodium
d) Nickel

Answer
c) Sodium

Which s-block element is used in the production of soaps and detergents?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer
a) Sodium

The s-block element that is commonly used in photography is:
a) Sodium
b) Potassium
c) Calcium
d) Lithium

Answer
c) Calcium

The s-block element used in the treatment of bipolar disorder is:
a) Sodium
b) Potassium
c) Calcium
d) Lithium

Answer
d) Lithium

The element with atomic number 3 is:
a) Helium
b) Carbon
c) Hydrogen
d) Lithium

Answer
d) Lithium

Alkaline earth metals have reactivity compared to alkali metals.
a) Higher
b) Lower
c) Equal
d) No

Answer
b) Lower

Which alkali metal is known to catch fire when exposed to air or moisture?
a) Sodium
b) Potassium
c) Lithium
d) Cesium

Answer
b) Potassium

Which alkaline earth metal is used in the manufacture of fireworks to produce a green color?
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
c) Strontium

The element with the symbol “K” in the periodic table is:
a) Potassium
b) Krypton
c) Kryptonite (fictional)
d) Platinum

Answer
a) Potassium

The alkaline earth metal that is used in the production of glass and ceramics is:
a) Magnesium
b) Calcium
c) Strontium
d) Barium

Answer
b) Calcium

The element with atomic number 19 is:
a) Sodium
b) Potassium
c) Calcium
d) Iron

Answer
b) Potassium

Which of the following elements is an alkali metal?
a) Sodium
b) Magnesium
c) Aluminum
d) Chlorine

Answer
a) Sodium

The element with atomic number 56 is a member of which group?
a) Group 1 (alkali metals)
b) Group 2 (alkaline earth metals)
c) Group 17 (halogens)
d) Group 18 (noble gases)

Answer
b) Group 2 (alkaline earth metals)

Which of the following elements is an alkaline earth metal?
a) Chlorine
b) Magnesium
c) Oxygen
d) Sodium

Answer
b) Magnesium

The element with atomic number 17 is:
a) Chlorine
b) Fluorine
c) Bromine
d) Iodine

Answer
a) Chlorine

Which of the following elements is an alkaline earth metal?
a) Fluorine
b) Sulfur
c) Iron
d) Calcium

Answer
d) Calcium

Which s-block element is used as a reducing agent in metallurgy?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer
d) Magnesium

The element with atomic number 8 is:
a) Nitrogen
b) Oxygen
c) Carbon
d) Helium

Answer
b) Oxygen

Which of the following elements is an alkali metal?
a) Fluorine
b) Sulfur
c) Sodium
d) Calcium

Answer
c) Sodium

The element with atomic number 12 is:
a) Iron
b) Magnesium
c) Nickel
d) Calcium

Answer
d) Calcium

The element with atomic number 10 is:
a) Neon
b) Helium
c) Argon
d) Krypton

Answer
a) Neon

Which s-block element is used in the production of lightweight alloys for aircraft and spacecraft?
a) Sodium
b) Potassium
c) Magnesium
d) Lithium

Answer
c) Magnesium

The element with atomic number 13 is:
a) Aluminum
b) Silicon
c) Phosphorus
d) Sulphur

Answer
a) Aluminum

Which s-block element is a constituent of bones and teeth and is used in the treatment of osteoporosis?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer
c) Calcium

The element with atomic number 55 is:
a) Caesium
b) Francium
c) Rubidium
d) Potassium

Answer
c) Rubidium

Which s-block element is used in the production of fertilizers to enhance plant growth?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer
b) Potassium

The element with atomic number 11 is:
a) Sodium
b) Potassium
c) Calcium
d) Iron

Answer
a) Sodium

Which of the following elements is an alkali metal?
a) Chlorine
b) Sulfur
c) Sodium
d) Calcium

Answer
c) Sodium

The element with atomic number 26 is:
a) Iron
b) Copper
c) Nickel
d) Zinc

Answer
a) Iron

Which s-block element is used in making fireworks to produce a blue color?
a) Sodium
b) Potassium
c) Calcium
d) Copper

Answer
d) Copper

The element with atomic number 47 is:
a) Silver
b) Copper
c) Zinc
d) Nickel

Answer
b) Copper

Which of the following elements is an alkaline earth metal?
a) Chlorine
b) Magnesium
c) Oxygen
d) Sodium

Answer
b) Magnesium

The element with atomic number 35 is:
a) Chlorine
b) Fluorine
c) Bromine
d) Iodine

Answer
c) Bromine

Which s-block element is used in the production of lightweight alloys for aircraft and spacecraft?
a) Sodium
b) Potassium
c) Magnesium
d) Lithium

Answer
c) Magnesium

The element with atomic number 29 is:
a) Iron
b) Copper
c) Nickel
d) Zinc

Answer
b) Copper

Which of the following elements is an alkali metal?
a) Fluorine
b) Sulfur
c) Sodium
d) Calcium

Answer
c) Sodium

The element with atomic number 12 is:
a) Iron
b) Magnesium
c) Nickel
d) Calcium

Answer
d) Calcium

Which s-block element is used as a reducing agent in metallurgy?
a) Sodium
b) Potassium
c) Calcium
d) Magnesium

Answer
d) Magnesium

The element with atomic number 8 is:
a) Nitrogen
b) Oxygen
c) Carbon
d) Helium

Answer
b) Oxygen

Which of the following elements is an alkali metal?
a) Fluorine
b) Sulfur
c) Sodium
d) Calcium

Answer
c) Sodium

The element with atomic number 10 is:
a) Neon
b) Helium
c) Argon
d) Krypton

Answer
a) Neon

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See Also  12th Class Chemistry Chapter 13 MCQs with Answers
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