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…
8 years ago
Questions
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…
8 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…
8 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…
8 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…
8 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.…
8 years ago
Which of the following is not hygroscopic
Which of the following is not hygroscopic Options (a) CsCl (b) MgCl₂ (c) CaCl₂ (d) LiCl Correct Answer: CsClExplanation:No explanation…
8 years ago
Beryllium and aluminium exhibit many properties which are similar.
Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in Options (a) maximum covalency in…
8 years ago
The radius of curvature of a convave mirror is 24 cm and the imager is magnified
The radius of curvature of a concave mirror is 24 cm and the imager is magnified by 1.5 times. The…
8 years ago
The focal length of the objective of a terrestrial telescope is 80 cm
The focal length of the objective of a terrestrial telescope is 80 cm and it is adjusted for parallel rays,…
8 years ago