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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (6)

#1
Front (Question)

4 common indicators

Back (Answer)

Methyl orange Screened methyl orange Thymol blue Thymolphthalein

#2
Front (Question)

Methyl orange • approx pH range • colour in acidic soln • colour at end pt • colour in alkaline soln

Back (Answer)

3.2-4.4 In acidic - red End pt - orange In alkaline - yellow

#3
Front (Question)

Screened Methyl orange • approx pH range • colour in acidic soln • colour at end pt • colour in alkaline soln

Back (Answer)

• approx pH range 3.2-4.4 • colour in acidic soln violet • colour at end pt grey • colour in alkaline soln green

#4
Front (Question)

Thymol blue • approx pH range • colour in acidic soln • colour at end pt • colour in alkaline soln

Back (Answer)

• approx pH range 8-9.6 • colour in acidic soln Yellow • colour at end pt Green • colour in alkaline soln Blue

#5
Front (Question)

Thymolphthalein • approx pH range • colour in acidic soln • colour at end pt • colour in alkaline soln

Back (Answer)

• approx pH range 9. 4-10.6 • colour in acidic soln Colourless • colour at end pt Light blue (if titrant is alkali) Colourless (if titrant is acid) • colour in alkaline soln Blue

#6
Front (Question)

Suitable indicators & marked pH change for: Strong acid-strong base Strong acid-weak base Weak acid-strong base Weak acid-weak base

Back (Answer)

4-10 all 4 • 5-6.5 methyl orange and screened methyl orange • 5-10.5 thymolphthalein and thymol blue No marked change no suitable indicator