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- 1. Multiple Choice
1. Which of the following acid is present in milk?
Lactic acid
battery acid
carbonic acid
citrus acid
- 2. Multiple Choice
Which of the following is true about acids?
they have bitter taste
they change red litmus paper to blue
they changes blue litmus paper to red
all above
- 3. Multiple Choice
1. Three acidic solutions A, B and C have pH = 0, 3 and 5 respectively. Which solution has the highest concentration of H+ ions?
A
B
C
don't know
- 4. Multiple Choice
When NaOH and HCl are mixed in equal molar quantities (equal strength), the products are
salt + H2O
salt + H2 (g)
salt + O2(g)
all the above are correct
- 5. Multiple Choice
A student detected the pH of four unknown solutions A, B, C and D as follows: 11, 5, 7 and 2 respectively. Predict the nature of these solutions. Which one is neutral solution
A
B
C
D
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