Class 7 Science MCQs - Chapter 22
Solutions Trivia Questions & Answers PDF Download - 12
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The Solutions Trivia Questions and Answers PDF (solutions Quiz Answers PDF e-Book) download Ch. 22-12 to study Grade 7 Science Course. Practice Acids and Alkalis MCQ PDF, Solutions Quiz Questions and Answers to study online courses. The Solutions Trivia App Download: Free certification app for acids and alkalis, solubility test prep for free online classes.
The Quiz: Bacteria in our mouth are acidic which should be neutralized by; "Solutions" App APK Download with answers: Orange juice; Toothpaste; Vinegar; Antacid; to study online courses. Practice Acids and Alkalis MCQ Questions, download Kindle eBook (Free Sample) for online school classes.
Solutions Test Questions and Answers PDF Download: MCQ 12
Bacteria in our mouth are acidic which should be neutralized by
- toothpaste
- orange juice
- vinegar
- antacid
Strong 'alkalis' are
- highly corrosive
- medium corrosive
- normal corrosive
- less corrosive
Copper sulphate has solubility at 25 °C in 100 g of water equal to
- 22g
- 20g
- 12g
- 44g
If an alkali is added to acid, it's acidic nature will be
- enhanced
- reduced
- same
- constant
Zero is the percentage of solubility of salt in
- water
- alcohol
- acid
- base
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