Class 7 Science MCQs - Chapter 23

Solutions Quiz Questions and Answers PDF - 7

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Free Solutions Quiz Questions and Answers, solutions Quiz PDF Download, Book Ch. 23-7 to study class 7 science online courses. Download Acids and Alkalis MCQs PDF, solutions quiz questions and answers to study online homeschool courses. The Solutions Quiz App Download: Free learning app for acids and alkalis, solubility test prep for online courses.

The Quiz: Elements in air that are responsible for acid rain include; "Solutions" App Download iOS & Android (Free) with answers sulphur dioxide, oxides of nitrogen, carbon dioxide to study online homeschool courses. Study acids and alkalis quiz questions, download Amazon eBook (Free Sample) for online courses.

Solutions Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The elements in air that are responsible for acid rain include

oxides of nitrogen
sulphur dioxide
carbon dioxide
both a and b

MCQ 32: Some acids react and burn skin if they come in contact with it. They are

corrosive
strong
light
both a and b

MCQ 33: Nature of solute has an effect on its

solubility
reaction
distillation
purification

MCQ 34: The color of concentrated copper sulphate solution appears

light blue
dark blue
violet
indigo

MCQ 35: Oranges and lemon are sour due to the presence of

citrus acid
acetic acid
citric acid
carbonic acid

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