[tex]<marquee><body bgcolor="yellow">[/tex]pls pls pls solve this WS
[tex]<marquee direction ="up">[/tex]I will thank your 20 answer if u will give the correct answer
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[tex]<marquee><body bgcolor="yellow">[/tex]pls pls pls solve this WS
[tex]<marquee direction ="up">[/tex]I will thank your 20 answer if u will give the correct answer
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Verified answer
Answer:
1) ph paper
2) sodium bisulphite and sodium thiosulphate
3) Calcium sulphate
4) Calcium oxychloride or calcium hypochlorite
5)Olafactory indicators
6) hydrogen gas
Short Answers:
1) between 5.5 to 7.5
2) strong acid:HCl
strong base:KOH
3)Egg shell + nitric acid ----->calcium nitrate + carbon dioxide +water
4) lemon juice, blood, sodium hydroxide solution
Hope it helps you