GRADE 10 CHEMISTRY The Power of Wisdom Education Centre
4 hydroxideကုိ ဘာနည္းနဲ႔ စီးပြားျဖစ္အေျမာက္အမ်ားထုတ္လုပ္သလဲ။ Sodium hydroxide is produced commercially by the electrolysis of saturated sodium chloride solution (brine). 14. Sodium hydroxideဟာ ဘယ္လိုပံုစံရွိသလဲ။ Sodium hydroxide is a white deliquescent solid (pellet). 15. Sodium hydroxideကို ဘယ္ေနရာေတြမွာ အမ်ားဆံုးသံုးသလဲ။ Sodium hydroxide is used in the manufacture of soap, in paper making and dyeing industries. It is also used in refining of petroleum and in the rubber industry. 16. Sodium hydroxideေပ်ာ္ရည္ပူနဲ႔ zincနဲ႔ ဓာတ္ျပဳရင္ ဘာရသလဲ။ The hot aqueous solution of sodium hydroxide reacts with zinc to form sodium zincate. 17. Sodium carbonateကို ဘာနည္းနဲ႔ အေျမာက္အမ်ားထုတ္လုပ္သလဲ။ Sodium carbonate is manufactured by Solvay Process. 18. Sodium carbonateကို ဘယ္မွာ အေျမာက္အမ်ားသံုးသလဲ။ Sodium carbonate is used in large quantities for the softening of hard water. It is also used in the manufacture of glass and water glass. 19. Sodium carbonateကို ဘာလို႔ေခၚေသးသလဲ။ Sodium carbonate is known as soda ash. 20. Sodium carbonate decahydrate (Na
2
CO
3
.10H
2
O)ကို ဘာအျဖစ္ေရာင္း သလဲ။ Sodium carbonate decahydrate (Na
2
CO
3
.10H
2
O) is sold as washing soda. 21. Sodium hydrogen carbonateကို ေစ်းကြက္မွာ ဘာအျဖစ္ေရာင္းသလဲ။
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