Question

please solve this and send me one by one please

Answer 1

Q10.} Na2CO3

Q1 )    1.)It is sour in taste

         2.)It turns blue litmus red

Q2)   Ca(OH)2+CO2

Q3)    It is because NaOH is a base HCl is a acid ,so HCl neutralizes NaOH

and as the colour of phenolphthalein in basic solution is pink it becomes colourless in neutral solution

Q4)  Metallic oxides are basic because they react with base to give salt and water and Non metallic ones react with acid to give salt and water

Q5)  The bulb will glow because HCl is acid and acid dissociate to give H+ ions which helps bulb to glow

Q6)   Double Displacement Reaction

Other will give you later on