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- 1. Multiple Choice
Lemon juice is ....................... in taste
Sour
Bitter
Salty
Sweet
- 2. Multiple Choice
Which of the following is a Mineral Acid?
Citric Acid
Oxalic Acid
Glycolic Acid
Sulphuric Acid
- 3. Multiple Choice
Fruits such as oranges , lemon etc, contain ........................... Acid
Citric
Lactic
Ascorbic
Acetic
- 4. Multiple Choice
Which one of the following is not a neutral substance ?
Glucose
Sodium Hydroxide
Urea
Sugar
- 5. Multiple Choice
Bases are generally ............................ to touch
Hot
Cold
Soapy
Rough
- 6. Multiple Choice
Bases turn Red litmus to ...................
Green
Yellow
Blue
Black
- 7. Multiple Choice
If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................
An Acid
A base
Neutral
Colourless
- 8. Multiple Choice
Hydrochloric Acid solution affect .......................... litmus paper
Red
Blue
Both of these
None of these
- 9. Multiple Choice
Bases turn yellow turmeric paper to ...........................
Green
Red
Pink
Orange
- 10. Multiple Choice
Methyl Orange is a
Natural
Human-Made
Pink
Colourless
- 11. Multiple Choice
Which method is recommended to dilute an acid
An acid is added to water
Water added to acid
- 12. Multiple Choice
The Substance which turns Blue litmus red is ......................
Basic
Acidic
Neutral
All of these
- 13. Multiple Choice
Which of the following is a property of an Acid ?
Sour taste
Sweet Taste
Bitter Taste
Salty Taste
- 14. Multiple Choice
Milk of magnesia contains .............................
Sodium
Potassium
Magnesium
Ammonium
- 15. Multiple Choice
Manure is added , when the soil is too ...................................
Acidic
Basic
Neutral
None of these
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