The case of adsorption of the hydrated alkali metal ions on an ion-exchange
The case of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order: Options (a) Li⁺…
7 years ago
S and Some P Block Elements
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating in air Options (a) Rb (b)…
7 years ago
Which one of the following is present as an active ingredient in bleaching
Which one of the following is present as an active ingredient in bleaching powder for bleaching action Options (a) CaOCl₂…
7 years ago
Which of the following compounds is a peroxide
Which of the following compounds is a peroxide Options (a) KO₂ (b) BaO₂ (c) MnO₂ (d) NO₂ Correct Answer: BaO₂Explanation:No…
7 years ago
Property of the alkaline earth metals that increases with their atomic number
Property of the alkaline earth metals that increases with their atomic number Options (a) solubility of their hydroxides in water…
7 years ago
Which of the following oxides is not expected to react with sodium hydroxide
Which of the following oxides is not expected to react with sodium hydroxide Options (a) CaO (b) SiO₂ (c) BeO…
7 years ago
In the case of alkali metals, the covalent character decreases in the order
In the case of alkali metals, the covalent character decreases in the order Options (a) MF > MCl > MBr…
7 years ago
A solid compound X on heating gives CO₂ and a residue .
A solid compound X on heating gives CO₂ and a residue . The residue mixed with water forms Y. On…
7 years ago
Identify the correct statement:
Identify the correct statement: Options (a) Plaster of paris can be obtained by hydration of gypsum (b) Plaster of paris…
7 years ago
The formula for calcium chlorite is
The formula for calcium chlorite is Options (a) CaClO₂ (b) Ca(ClO₂)₂ (c) Ca(ClO₄)₂ (d) Ca(ClO₃)₂ Correct Answer: Ca(ClO2)₂Explanation:No explanation available.…
7 years ago