MCQ on s Block Elements: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on s Block Elements, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on s Block Elements

Q1. The tendency to lose their valance electron easily by alkali metals makes them _______.
a) strong reducing agent
b) weak reducing agent
c) strong oxidising agent
d) weak oxidising agent

Q2. Be shows the diagonal relationship with _______.
a) Na
b) Be
c) Mg
d) Al

Q3. Find the incorrect trend for alkaline earth metals.
a) Density Ca < Mg < Be < Sr
b) atomic size Be < Mg < Ca < Sr
c) Hydration enthalpy Sr < Ca < Mg < Be
d) second ionization energy Be < Mg < Ca < Sr

Q4. Plaster of Paris (POP) is _______.
a) CaSO₄
b) CaSO₄ H₂O
c) CaSO₄ 2H₂O
d) CaSO₄ 1/2H₂O

Q5. Which oxide is amphoteric?
a) BaO
b) BeO
c) CaO
d) MgO

Q6. Which of the compounds is known as Slaked lime?
a) CaO
b) CaSO₄
c) CaCO₃
d) Ca(OH)₂

Q7. Which one is the most stable carbonate?
a) BaCO₃
b) BeCO₂
c) CaCO₃
d) MgCO₃

Q8. Which one is known as a fusion mixture?
a) Na₂CO₃ + NaHCO₃
b) Na₂CO₃ + K₂CO₃
c) Na₂CO₃ + K₂SO₄
d) Na₂CO₃ + NaOH

Q9. As compared to K, Na has _______.
a) lower melting point
b) lower electronegativity
c) larger atomic radius
d) higher ionization potential

Q10. Which of the ions have maximum hydration energy?
a) Sr²⁺
b) Ca²⁺
c) Mg²⁺
d) Be²⁺

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