Indicators and Acid Base Titrations MCQs Quiz Online PDF Download

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GCE chemistry practice test MCQ on carminic acid gives purple color with with options acids (h+-), alkalis (-oh-), weak acids (h+-) and all of them problem solving skills for viva, competitive exam prep, interview questions with answer key. Free study guide is for online learning indicators and acid base titrations quiz with MCQs to practice test questions with answers.

MCQs on Indicators and Acid Base Titrations Quiz PDF Download

MCQ. Carminic acid gives purple color with

  1. acids (H+-)
  2. alkalis (-OH-)
  3. weak acids (H+-)
  4. all of them

B

MCQ. Litmus is used to test either substance is

  1. acidic or alkaline
  2. aqueous or pure liquid
  3. moist gas or dry gas
  4. semi-solid or solid

A

MCQ. Addition of acid to indicator will shift equilibrium towards

  1. right
  2. left
  3. up
  4. down

B

MCQ. Insect which feed on cactus has a scarlet pigment known as

  1. cochineal
  2. carminic acid
  3. chloroplast
  4. both A and B

D

MCQ. Phenolphthalein changes color in

  1. acids
  2. alkalis
  3. water
  4. salt solutions

B