Formula of Plaster of Paris is
Formula of Plaster of Paris is Options (a) CaSO₂.(1/2)H₂O (b) CaSO₄.H₂O (c) CaSO₄.(1/3)H₂O (d) CaSO₄.2H₂O Correct Answer: CaSO₂.(1/2)H₂O Explanation: Plaster…
7 years ago
AFMC1996
Dynamite contains
Dynamite contains Options (a) H₂SO₄ (b) saw dust (c) both of these (d) none of these Correct Answer: saw dustExplanation:Dynamite…
7 years ago
NaHCO₃ is prepared by
NaHCO₃ is prepared by Options (a) Dow process (b) Solvay process (c) Bosch process (d) none of these Correct Answer:…
7 years ago
Which of the following is used as ”anasthesia”
Which of the following is used as ''anasthesia'' Options (a) N₂O (b) CH₄ (c) N₂ (d) CO₂ Correct Answer: N₂OExplanation:No…
7 years ago
CCl₄ is used as a fire extinguisher, because
CCl₄ is used as a fire extinguisher, because Options (a) its boiling point is low (b) its melting point is…
7 years ago
Tetraethyl lead is used as
Tetraethyl lead is used as Options (a) anti-knock agent (b) pain killer (c) mosquito repellent (d) fire extinguisher Correct Answer:…
7 years ago
Which of the following is used as refrigerant
Which of the following is used as refrigerant Options (a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃ Correct Answer: CF₂Cl₂Explanation:No…
7 years ago
Which of the following is endothermic reaction
Which of the following is endothermic reaction Options (a) 3H₂+ N₂ → 2NH₃ (b) C + O₂ → CO₂ (c)…
7 years ago
Colloidal found effective in medicines is
Colloidal found effective in medicines is Options (a) colloidal gold (b) colloidal sulphur (c) colloidal antimony (d) all of these…
7 years ago
How many coulombs are required for the oxidation of 1 mole H₂O to O₂
How many coulombs are required for the oxidation of 1 mole H₂O to O₂ Options (a) 3.86 x 10⁵ C…
7 years ago