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.
If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?
What does the slope of a velocity-time graph represent?
The resistance of a wire is directly proportional to:
What does 'IC' stand for in electronics?
When heated from 0° to 10°C volume of a given mass of water will -
A soap bubble expands isothermally and its radius doubles. The work done by surface tension during this expansion is:
A uniform wire is bent into a circle and a battery is connected across a chord that subtends an angle of 60° at the center. What is the ratio of curren...
A 10 μF capacitor is charged to 50 V and then connected across an uncharged 20 μF capacitor. What is the final potential difference across both capac...
The emission of a beta-minus particle from a nucleus results in:
Which law states that the current through a conductor is directly proportional to the voltage across it?
Relevant for Exams:
