Question

What is the colour of turmeric paper with vinegar [ ]

a) Red b) Yellow c) Orange d) Colourless

2. The substance that turn blue litmus to red [ ]

a) Acidic in nature b) Basic in nature c) Neutral d) All

3. What is the nature of liquid HCl ? [ ]

a) Basic b) Acidic c) Neutral d) None

4. Which of the following indicators gives Meganta or dark pink colour in acidic solutions ?

a) Turmeric b) Phenolphthalein c) Chinarose d) Litmus [ ]

5. What is the nature of Ca(OH)2 ? [ ]

a) Acidic b) Basic c) Neutral d) None

6. The substance which is corrosive in nature. What is that substance ? [ ]

a) Base b) Acid c) Both a and b d) None

7. The colour of Methyl orange in acidic medium is [ ]

a) Red b) Orange c) Pink d) Yellow

8. Ammonium hydroxide taste _____ because they are _____ in nature. [ ]

a) Sour, acidic b) Bitter, basic c) Bitter, acidic d) All

9. Nature of lemon juice is [ ]

a) Basic b) Acidic c) Neutral d) None

10. Bases are in ______ taste. [ ]

a) Sour b) Bitter c) Sour d) All​

Answer 1

Answer:

1) a) red

2)a) acidic in nature

3)a) acidic

4)b) phenolphthalein

5)b) basic

6)b)acid

7)a)red

8)b)bitter,basic

9)b)basic

10)b)bitter

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