O Level Chemistry MCQs – Certification Test 219

pH Scale: Acid and Alkali MCQ (Question 219) – App & e-Book Download

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MCQ 219: Which one is correct about Onion juice?

it is acidic
it is alkaline
it is neutral
it is basic

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O Level Chemistry MCQ App & e-Book – pH Scale: Acid & Alkali Certification Guide

Conductors and Non Conductors Test 230

Valency Table Test 231

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Chemical formulas Test 233

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pH Scale and Acid and Alkali Test 236

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