Among the following sols the one which is hydrophobic is
Among the following sols the one which is hydrophobic is Options (a) starch (b) sulphur (c) gum (d) gelatin Correct…
7 years ago
Surface Chemistry and Isolation of Elements
Cosin used to detect end point of precipitation titration by absorption is called
Cosin used to detect end point of precipitation titration by absorption is called Options (a) chemical indicator (b) absorption indicator…
7 years ago
The most effective electrolyte for the coagulation of As₂S₃ sol is
The most effective electrolyte for the coagulation of As₂S₃ sol is Options (a) NaCl (b) Ba(NO₃)₂ (c) K₃[Fe(CN)₆] (d) AlCl₃…
7 years ago
If the dispersed phase is a liquid and the dispersion medium is solid,the colloid
If the dispersed phase is a liquid and the dispersion medium is solid, the colloid is known as a Options…
7 years ago
The process which is catalysed by one of the products is called
The process which is catalysed by one of the products is called Options (a) negative catalysis (b) acid-base catalysis (c)…
7 years ago
Which one of the following method, is commonly used method for destruction of
Which one of the following method, is commonly used method for destruction of colloid Options (a) dialysis (b) condensation (c)…
7 years ago
The best coagulant for the precipitation of Fe(OH)₃ is
The best coagulant for the precipitation of Fe(OH)₃ is Options (a) Na₂HPO₃ (b) NaNO₃ (c) Na₃PO₄ (d) Na₂SO₄ Correct Answer:…
7 years ago
The physical adsorption of gases on the solid surface is due to
The physical adsorption of gases on the solid surface is due to Options (a) van der Waals forces (b) covalent…
7 years ago
Which of the following statements is true
Which of the following statements is true Options (a) Chemisorption forms unimolecular layer (b) Chemisorption is a reversible process (c)…
7 years ago
Gold number gives
Gold number gives Options (a) the amount of gold sol present in the colloid (b) the amount of gold sol…
7 years ago