The Total solution for NCERT class 6-12
Answer - 1 : -
Answer - 2 : -
Answer - 3 : -
Answer - 4 : -
Answer - 5 : -
Answer - 6 : -
Answer - 7 : - Sodium oxide
1. AI2(S04)3
2. CaCI2
3. K2S04
4. KNO3
5. CaCO3
Answer - 8 : -
Answer - 9 : -
Answer - 10 : - (i) 3 atoms because H2S molecule has two atoms of hydrogen and one atom ofsulphur.(ii) 5 atoms because ion has one atom of phosphorus and four atoms ofoxygen.