When you add about 2 ml of acetic acid to a test-tube containing an equal amount of distilled water and leave the test-tube to settle after shaking its contents, what do you observe in the test tube after about 5 minutes
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Vinegar is a solution of (A) 50% – 60% acetic acid in alcohol (B) 5% – 8% acetic acid in alcohol
(C) 5% – 8% acetic acid in water
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About 2 mL of acetic acid was taken in each of the three test tubes P, Q and R and 5 mL, 10 mL and 15 mL of distilled
(D) P, Q and R
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A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water.
(A) a clear transparent colourless solution
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Manoj was asked to list the properties of acetic acid after he had studied them in the laboratory. According to him acetic acid:
The correct answer is (B) ii
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If you add a few drops of acetic acid to a test tube containing (i) distillated water and
No reaction with distilled water. Chemical reaction occurs with solution of NaHCO3 Two Observations: (i) Evolution of a colourless, odourless gas. (ii) The gas is evolved with brisk effervescence
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What do you observe when you add a few drops of acetic acid to a test tube containing:
(i) Acetic acid will remain colourless in phenolphthalein. 22. (ii) Acetic acid will dissolve in distilled water forming a clear solution. (iii) Universal indicator gives orange colour with acetic acid. (iv) Sodium hydrogencarbonate...
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What do you observe when you add sodium bicarbonate to acetic acid?
A colourless gas with brisk effervescence is evolved on addition of sodium bicarbonate to acetic acid. Lime water turns milky when this gas is passed through it, thus the evolved...
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A student takes 2 ml acetic acid, in a dry test-tube and add a pinch of Sodium hydrogen
A colourless and odourless gas is evolved. It turns lime water milky and this gas extinguishes the burning splinter.
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Water rises in a vertical capillary tube upto a length of 10 cm. If the tube is inclined at 45°, the length of water risen in the tube will be
The correct answer is (b) 10√2 cm Explanation: When the tube is inclined, the vertical rise remains the same. So the water in the inclined tube rises to 10*sec45° =10√2 cm.
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Assertion (A) : Formic acid is a stronger acid than acetic acid. Reason (R) : Formic acid is an organic acid.
(b) Formic acid is stronger than acetic acid due to its chemical composition. Formic acid is an organic acid as well as active acid in an organic acid.
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