Q2. Carbon dioxide can be obtained in a number of ways. For example,
a. By burning of coke in air.
b. By the thermal decomposition of lime stone.
c. By the action of dilute hydrochloric acid on washing soda.
Based on the information, answer the following questions:
i. Is the composition of the constituent elements is different in compounds obtained
from different sources?
ii. In what ratio are the two elements combined?
iii. In what ratio by mass are the two elements combined?
iv. Is the ratio a simple whole number?
v. Which law of chemical combination is supported?
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