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
Chemistry
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
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…
7 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…
7 years ago
Fish die in water bodies polluted by sewage due to
Fish die in water bodies polluted by sewage due to Options (a) pathogens (b) Clogging of gills (c) Decreases in…
7 years ago
Surface water contains
Surface water contains Options (a) salt + organic matter (b) only salt (c) organic matter (d) suspended impurity Correct Answer:…
7 years ago
Addition of phosphate fertilizers into water leads to
Addition of phosphate fertilizers into water leads to Options (a) increased growth of decomposers (b) reduced algal growth (c) increased…
7 years ago
Atmosphere of big/metropolitan cities is polluted most by
Atmosphere of big/metropolitan cities is polluted most by Options (a) automobile exhausts (b) pesticide residue (c) household waste (d) radioactive…
7 years ago