S Block Elements Mock Tests

19 questions available

S Block Elements Mock Test 1

Questions: 19

Sample Questions

CUET Chemistry

The correct increasing order of lattice energy for alkali metal chlorides is:

A LiCl < NaCl < KCl < RbCl < CsCl

B CsCl < RbCl < KCl < NaCl < LiCl

C NaCl < LiCl < KCl < RbCl < CsCl

D LiCl < KCl < NaCl < RbCl < CsCl

EAPCET Chemistry

Which of the following is NOT a consequence of the diagonal relationship between Li and Mg?

A Both Li and Mg form nitrides directly with nitrogen

B Both Li and Mg carbonates decompose on heating

C Both Li and Mg hydroxides are strong bases

D Both Li and Mg chlorides are soluble in ethanol

NEET Chemistry

Which of the following carbonates decomposes on heating to give the largest amount of CO₂ gas?

A Na₂CO₃

B K₂CO₃

C CaCO₃

D BaCO₃

EAPCET Chemistry

Sodium carbonate (Na₂CO₃) is obtained by the Solvay process. Which of the following is a limitation of this process?

A It cannot produce NaHCO₃ as an intermediate

B It cannot recover NH₃ for recycling

C NaCl is not used in the process

D It requires very high temperature

EAPCET Chemistry

Which of the following is NOT a similarity between lithium and magnesium?

A Both form nitrides directly with nitrogen

B Both form soluble carbonates that do not decompose on heating

C Both form hydroxides that are only sparingly soluble

D Both form monoxides on burning in oxygen

EAPCET Chemistry

Plaster of Paris is obtained by heating CaSO₄·2H₂O to 393 K. What happens when it is heated above 393 K?

A It forms CaO

B It loses all water of crystallisation and becomes anhydrous CaSO₄ (dead burnt plaster)

C It becomes more hygroscopic

D It decomposes to CaSO₃ and SO₃

JEE Main Chemistry

Which of the following reactions produces CO₂ gas?

A NaHCO₃ + NaOH

B Na₂CO₃ + HCl

C NaHCO₃ + HCl

D NaOH + HCl

EAPCET Chemistry

Which of the following best describes the biological role of Na⁺ and K⁺ ions?

A Na⁺ activates enzymes and K⁺ builds bones

B Na⁺ transmits nerve signals and helps in glucose/amino acid uptake; K⁺ activates enzymes and triggers stomatal movement

C Both Na⁺ and K⁺ are primarily structural components of bones and teeth

D Na⁺ is found inside cells and K⁺ is found outside cells

Comments

No comments yet. Be the first to share your thoughts!