s-Block Elements MCQ

Test your knowledge with important s-Block Elements MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more s-Block Elements MCQs at Bissoy

• Which of the following metal readily reacts with skin moisture to form rubidium hydroxide?
  ক

  lithium

  খ

  rubidium

  গ

  sodium

  ঘ

  potassium
• Can cesium be ingested?
  ক

  obviously

  খ

  certainly

  গ

  no

  ঘ

  yes
• Francium has __________ biological importance.
  ক

  great

  খ

  no

  গ

  extreme

  ঘ

  huge
• Can potassium bicarbonate be used as an antacid?
  ক

  Yes

  খ

  No

  গ

  Maybe

  ঘ

  May not be
• Which of the following is not treated using higher levels of potassium?
  ক

  cold

  খ

  hypokalemia

  গ

  muscle contraction

  ঘ

  respiratory paralysis
• Which elements compounds are used for treating disorders?
  ক

  nitrogen

  খ

  lithium

  গ

  sodium

  ঘ

  potassium
• How much ATP does Sodium-Potassium pump consume?
  ক

  three fourth

  খ

  one fourth

  গ

  one third

  ঘ

  half
• Sodium and potassium have the same mobility in case of penetration into cell membranes.
  ক

  true

  খ

  false
• Which of the following metal helps to transmit nerve signals?
  ক

  hydrogen

  খ

  potassium

  গ

  sodium

  ঘ

  lithium
• How much iron do you think a 70 kg man contains?
  ক

  4 gram

  খ

  3 gram

  গ

  5 gram

  ঘ

  2 gram
• Lithium has the same radius that of magnesium.
  ক

  true

  খ

  false
• Lithium has a diagonal relationship with ____________
  ক

  magnesium

  খ

  sodium

  গ

  aluminum

  ঘ

  neon
• On heating lithium carbonate decomposes in order to evolve the ____________
  ক

  nitrogen

  খ

  oxygen

  গ

  carbon dioxide

  ঘ

  lithium
• Does Lithium react with nitrites?
  ক

  yes

  খ

  no

  গ

  may be

  ঘ

  may not be
• Which of the following element has the smallest size in its group?
  ক

  sodium

  খ

  rubidium

  গ

  potassium

  ঘ

  lithium
• Which of the following statements is true regarding the diagonal relationship between Lithium and magnesium?
  ক

  Lithium and magnesium combined with oxygen to form superoxides

  খ

  Lithium and magnesium are soft metals

  গ

  Lithium hydroxide and magnesium Hydroxide are weak bases

  ঘ

  Magnesium chloride is completely soluble in water
• What is the electronegativity of lithium?
  ক

  2

  খ

  1

  গ

  5

  ঘ

  4
• What is the difference between the Ionic radius of cations of Lithium and magnesium?
  ক

  2 A°

  খ

  0.05 A°

  গ

  1 A°

  ঘ

  5 A°
• Lithium chloride is ____________ in nature.
  ক

  soft

  খ

  covalent

  গ

  ionic

  ঘ

  complex
• Lithium and magnesium are ____________ metals.
  ক

  sponge

  খ

  hard

  গ

  soft

  ঘ

  smooth
• In the average composition of portland cement, the percentage of magnesium oxide is a ___________
  ক

  3 to 4%

  খ

  2 to 3%

  গ

  4 to 5%

  ঘ

  1 to 2%
• Which of the following is not a use of calcium chloro hypochlorite?
  ক

  Sterilization of water

  খ

  Manufacture of chloroform

  গ

  Germicide

  ঘ

  Painting
• What is the average percentage of available chlorine theoretically?
  ক

  85

  খ

  49

  গ

  58

  ঘ

  66
• What is chloride of lime?
  ক

  Calcium sulphate

  খ

  Calcium chloro hypochlorite

  গ

  Calcium chloride

  ঘ

  Calcium hydroxide
• Is the plaster of Paris useful in setting a solid mass?
  ক

  Yes

  খ

  No

  গ

  Maybe

  ঘ

  Cannot say
• What is dead burnt plaster?
  ক

  Hexahydrate calcium sulphate

  খ

  Hemihydrate calcium sulphate

  গ

  Anhydrous calcium sulphate

  ঘ

  Decahydrate calcium sulphate
• Gypsum is the same as plaster of Paris.
  ক

  True

  খ

  False
• Which of the following do you think is the correct formula for gypsum?
  ক

  CaSO4.2H2O

  খ

  CaSO4.1/2H2O

  গ

  CaSO4.H2O

  ঘ

  CaSO4
• Can limestone be prepared through slaked lime?
  ক

  Yes

  খ

  No

  গ

  Maybe

  ঘ

  Cannot say
• Limestone is insoluble in water.
  ক

  True

  খ

  False