When ants bite, they inject
(a) glacial acetic acid (b) methanol (c) formic acid (d) stearic acid
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Form a sentence using the following words – baking soda, ant bite, moist, effect, neutralised, rubbing.
The effect of an ant bite can be neutralised by rubbing moist baking soda.
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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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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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A student is studying the properties of acetic acid. List two physical properties of acetic acid he observes.
Acetic acid is colourless liquid. It is miscible/ soluble in water. On adding a pinch of sodium hydrogen carbonate, Brisk effervescence is observed. Evolution of a colourless/ odourless gas.
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A mixture of formic acid and oxalic acid is heated with conc.H2SO4. The gas produced is collected and on treatment with KOH Solution.
Total no. of moles of CO and CO2 = a + b + b = a + 2b Total no. of moles of CO2 = b Moles fraction of CO2 absorbed in KOH = b/a+...
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What is the molarity of a solution of methanol in water in which the mole fraction of methanol is 0.25
1 mole of solution contains 0.25 mol of methanol and 1 – 0.25 = 0.75 mol of water. Mass of water = 0.75 x 18 = 13.5 Molality of methanol solution =...
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They are fantastically diverse. They speak hundred of language and dialects. They comprise scores of ethnic groups. They include highly industrialised
(b) APEC is the group of 21 countries. APEC is short for Asia Pacific Economic Cooperation. This group of countries span half the surface of the earth and are home...
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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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(i) What problems are you likely to face if you keep ants as pets?
(i) We may face several problems in keeping ants as pets. They are too tiny to keep a watch on. They may bite and cause an itchy skin. Making a...
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