While working in a chemistry laboratory, a student took some zinc granules in a test-tube and added a liquid X to it. A gas Y was produced. When a burning matchstick was brought near the mouth of the test-tube, the gas Y burns with a 'pop' sound, making a little explosion.(a) What could the liquid X be?(b) Name the gas Y.(c) State two properties of gas Y.

While working in a chemistry laboratory, a student took some zinc gran

1.	While working in a chemistry laboratory, a student took some zinc granules in a test-tube and added a liquid X to it. A gas Y was produced. When a burning matchstick was brought near the mouth of the test-tube, the gas Y burns with a 'pop' sound, making a little explosion.(a) What could the liquid X be?(b) Name the gas Y.(c) State two properties of gas Y.
Answer» While working in a chemistry laboratory, a student took some zinc granules in a test-tube and added a liquid X to it. A gas Y was produced. When a burning matchstick was brought near the mouth of the test-tube, the gas Y burns with a 'pop' sound, making a little explosion. (a) What could the liquid X be? (b) Name the gas Y. (c) State two properties of gas Y.