Question
Name the gas evolved when ethanoic acid is added to
sodium carbonate?Solution
Carbon dioxide is evolved when ethanoic acid is added to sodium carbonate. The gas is invisible to the eye but can be detected by the pop sound made by the gas in a bubble solution. Hence, option B is correct.
Average speed of ‘A’ during a 24-hour journey is 38 km/h. If he covered the first 120 km of his journey at a speed of 20 km/h, then find the speed a...
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1. Table
2. Talent
3. Tack...
Which of the following statements are correct in regards to impeachment of the president?
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The impeachment...
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The expansion of (3a - 4b - 2c)² is: