Class 7 Online Courses

Chapter 23: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 23

Solutions Multiple Choice Questions (MCQ) PDF - 12

The e-Book Solutions Trivia Questions and Answers, solutions quiz answers PDF download, test 12 to learn free class 7 science online courses. Solve 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 Trivia Quiz: Bacteria in our mouth are acidic which should be neutralized by; "Solutions" App APK Download (Free) with answers orange juice, toothpaste, vinegar and antacid to study online courses. Practice acids and alkalis quiz questions, download Kindle eBook (Free Sample) for online school classes.

Solutions Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56: Bacteria in our mouth are acidic which should be neutralized by

A) toothpaste
B) orange juice
C) vinegar
D) antacid

MCQ 57: Strong 'alkalis' are

A) highly corrosive
B) medium corrosive
C) normal corrosive
D) less corrosive

MCQ 58: Copper sulphate has solubility at 25 °C in 100 g of water equal to

A) 22g
B) 20g
C) 12g
D) 44g

MCQ 59: If an alkali is added to acid, it's acidic nature will be

A) enhanced
B) reduced
C) same
D) constant

MCQ 60: Zero is the percentage of solubility of salt in

A) water
B) alcohol
C) acid
D) base

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Solutions App (Android & iOS)

Solutions App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)