Chemistry, asked by shoaib6492484, 1 year ago

Please send the answer fast after 2 days I have 10th board exams so please send answer of both 9th questions a and b

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sdevikrishna00855: 1. X= NaHCO3 Y=CO2 Z=Na2CO3 •2NaHCO3 ----Na2CO3+H2O +CO2 • Ca( OH) 2+CO2----CaCO3[white] + H2O
2a. pH is more than 7.it must be a base. 2b.Since 10 mL of NaOH solution requires 8 mL of HCl solution

Therefore, 20 mL of NaOH solution will require 8 x 2 = 16 mL of HCl solution 2c.Antacid is used for indigestion

Answers

Answered by sdevikrishna00855

1 refer the photo attached

2a. pH is more than 7.it must be a base.

2b.Since 10 mL of NaOH solution requires 8 mL of HCl solution

Therefore, 20 mL of NaOH solution will require 8 x 2 = 16 mL of HCl solution

2c.Antacid is used for indigestion

HOPE YOU UNDERSTAND!

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shoaib6492484: Thanks again for helping me

sdevikrishna00855: Again.! Anyway welcome back

sdevikrishna00855: Hope you write the xam well. Wish you all the best

shoaib6492484: Thanks

sdevikrishna00855: No mention

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