Result:
1/10
1. What acid is present in vinegar?
Citric acid
Lactic acid
Acetic acid
Tartaric acid
2/10
2. What is the purpose of formic acid in ants?
To aid digestion
To sting and cause pain when they bite
To help them grow
To strengthen their shells
3/10
3. Which bacteria in curd converts milk into lactic acid, giving it a sour taste?
E. coli
Streptococcus
Lactobacillus
Bacillus
4/10
4. What safety measure should NOT be followed when handling strong acids?
Avoid spilling on body parts
Smell the acid carefully
Use a dropper
Use a test tube holder
5/10
5. What should you do if a strong acid spills on your skin?
Rub with alcohol
Pour hot water over it
Pour cold water on the area
Cover with a cloth
6/10
6. Which acid is naturally produced in the human stomach to aid digestion?
Lactic acid
Hydrochloric acid
Acetic acid
Citric acid
7/10
7. What type of medication is used to treat excessive acidity in the stomach?
Antibiotics
Antacids
Antiseptics
Analgesics
8/10
8. What is the main acid in lemon juice?
Citric acid
Tartaric acid
Malic acid
Lactic acid
9/10
9. Which acid is associated with the sour taste of gooseberries and rich in Vitamin C?
Acetic acid
Lactic acid
Ascorbic acid
Tartaric acid
10/10
10. What is a common property of all bases?
They are sour
They feel slippery
They are sweet
They are always solid