MCQ Questions for Class 11 Chemistry Chapter 10 The s-Block Elements with Answers

The s-Block Elements Class 11 Chemistry MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 11 Chemistry Chapter 10 The s-Block Elements with Answers Pdf free download. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern. We have Provided The s-Block Elements Class 11 Chemistry MCQs Questions with Answers to help students understand the concept very well.

Class 11 Chemistry Chapter 10 Quiz

Class 11 Chemistry Chapter 10 MCQ Online Test

You can refer to NCERT Solutions for Class 11 Chemistry Chapter 10 The s-Block Elements to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

The s-Block Elements Class 11 Chemistry MCQ online test

Q1.	Beryllium shows diagonal relationship with
	A.Mg
	B.Na
	C.Al
	D.B.

Ans: Al

Q2.	Which of the following metal has stable carbonates?
	A.Na
	B.Mg
	C.Al
	D.Si

Ans: Na

Q3.	The reaction of Cl₂ with X gives bleaching powder X is
	A.CaO
	B.Ca(OH)₂
	C.Ca(OCl)₂
	D.Ca(O₃Cl)₂

Ans: Ca(OCl)₂

Q4.	NaOH is prepared by the method
	A.Downs cell
	B.Castner cell
	C.Solvay process
	D.Castner – Kellner cell.

Ans: Castner – Kellner cell.

Q5.	Milk of lime reacts with chlorine to form ________, a constituent of bleaching powder.
	A.Ca(OCI)₂
	B.Ca(CIO₂)₂
	C.Ca(CIO₃)₂
	D.Ca(CIO₄)₂

Ans: Ca(OCI)₂

Q6.	Which one of these are main components of kidney stones?
	A.Sodium Oxalate
	B.Potassium Oxalate
	C.Calcium Oxalate
	D.Copper Oxalate

Ans: Calcium Oxalate

Q7.	A nitrate of an alkali metal M on heating gives O₂.NO₂ and M₂O. The metal M will be:
	A.Na
	B.K
	C.Rb
	D.Li

Ans: Li

Q8.	Which of the following metal carbonates decompose on heating?
	A.LiCO₃ & MgCO₃
	B.Na₂CO₃
	C.K₂CO₃
	D.None of the Above

Ans: LiCO₃ & MgCO₃

Q9.	Which of the following alkaline earth metals do not impart any color to the flame?
	A.Ca,Sr
	B.Mg,Ca
	C.Be,Mg
	D.Sr,Ba

Ans: Mg,Ca

Q10.	Which one of the following alkali metals emit light of longest wavelength in the flame test ?
	A.Na
	B.K
	C.Cs
	D.Li

Ans: K

Q11.	What will be final weight of 286 gm Na₂CO₃.10H₂O by Heating at 373 K?
	A.206 gm
	B.162 gm
	C.186 gm
	D.124 gm

Ans: 124 gm

Q12.	Solubilities of carbonates decrease down the magnesium group due to decrease in
	A.Entropy of solution formation
	B.Lattice energies of solids
	C.Hydration energy of cations
	D.Inter – ionic attraction.

Ans: Hydration energy of cations

Q13.	What are the products formed when Li₂CO₃ undergoes decomposition?
	A.Li₂O₂, CO
	B.Li₂O, CO
	C.Li₂O, CO₂
	D.LiO₂, CO

Ans: Li₂O, CO₂

Q14.	Alkali metals give a _________ when dissolved in liquid ammonia
	A.Deep blue solution
	B.Colourless
	C.Red colour
	D.None of the Above

Ans: Deep blue solution

Q15.	_______ does not exhibit coordination number more than four.
	A.Magnesium
	B.Beryllium
	C.Calcium
	D.None of the Above

Ans: Beryllium

Q16.	The composition of Sorels cement is
	A.KCl × MgCl₂ × 6H₂O
	B.MgCl₂ × 5MgO × (xH₂O)
	C.MgCO₃ × CaCO₃
	D.CaSO₄ × 2H₂O

Ans: MgCl₂ × 5MgO × (xH₂O)

Q17.	Which of the following metals is most commonly used in photo – chemical cells?
	A.Lithium
	B.Calcium
	C.Caesium
	D.Francium

Ans: Caesium

Q18.	he wire of flash bulb is made up of:
	A.Mg
	B.Ag
	C.Cu
	D.Ba

Ans: Mg

Q19.	Which of the following metals is not manufactured by electrolysis ?
	A.Na
	B.Mg
	C.Al
	D.Fe

Ans: Fe

Q20.	Which elements of s- block are largely found in biological fluids?
	A.Sodium, Potassium
	B.Magnesium and Calcium
	C.Both (1) and (2) are true
	D.None of the Above