40
Minutes
62
Questions
1 / -0
Marking
Q1. Which one of the following is acidic?
Lemon juice
Tomatoes
Milk
All
Q2. Which one of the given is a mineral acid?
Lactic acid
Formic acid
Tartaric acid
Hydrochloric acid
Q3. Which one of the following will turn red litmus blue?
Vinegar
Baking soda solution
Lemon juice
Soft drinks
Q4. Which one of the given is an organic acid?
Citric acid
Hydrochloric acid
Lactic acid
Both (1) & (3)
Q5. Which one of the following will turn blue litmus red?
Vinegar
Lime water
Baking soda solution
Washing soda solution
Q6. Which one of the given is incorrect?
Acids turns blue litmus paper red
Aqueous solutions of acids conduct electricity
Acids react with certain metals to form hydrogen gas
None of these
Q7. Methyl orange is
Pink in acidic medium, yellow in basic medium
Yellow in acidic medium, pink in basic medium
Colourless in acidic medium, pink in basic medium
Pink in acidic medium, colorless in basic medium
Q8. Which one of the given acids is used in the treatment of bone marrow and scurvy diseases?
Acetic acid
Hydrochloric acid
Ascorbic acid
Nitric acid
Q9. Lime water is
CaO
Ca(OH)2
CaCO3
CaCI2
Q10. Acid present in apple is :
Oxalic acid
Malic acid
Acetic acid
Formic acid
Q11. The nature of calcium phosphate is present in tooth enamel is
Basic
Amphoteric
Acidic
Neutral
Q12. Which one of the given is hydracid?
H₃PO₄
H₂SO₄
HCN
HNO₃
Q13. Which of the following salts has no water of crystallization?
Blue vitriol
Washing soda
Baking soda
Gypsum
Q14. Most of the oxides of metals when react with acid, form____
A base
An acid
A salt
Either (1) or (2)
Q15. The function of quick lime in soda lime mixture is to
Absorb moisture present in soda lime
Increase the efficiency of soda lime
Increase the pH of soda lime
Take part in reaction with NaOH
...and 47 more challenging questions available in the interactive simulator.