Advertisements
Advertisements
Question
‘If 100 grams of calcium carbonate (whether in the form of marble or chalk) are decomposed completely, then 56 grams of calcium oxide and 44 grams of carbon dioxide are obtained’. Which law of chemical combination is illustrated by this statement ?
Advertisements
Solution
If 100 grams of calcium carbonate is decomposed in any form (marble or chalk), 56 grams of calcium oxide and 44 grams of carbon dioxide are obtained. This reactions illustrates the law of conservation of mass.
APPEARS IN
RELATED QUESTIONS
Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas?
State the law of conversation of mass.
What is mass ?
If an object weighs 6 kg on earth. What will be its weight on moon ?
State the law of conservation of mass.
State the law of conservation of mass. Give one example to illustrate this law.
An ionic compound will be formed by the combination of one of the following pairs of elements. This pair of elements is :
Complete the statement given below by filling in the blanks with the correct words.
Atoms contain ________ with positively charged ________.
Why does a light paddle wheel placed in the path of cathode rays begin to rotate, when cathode rays fall on it?
The chemical symbol for nitrogen gas is ______.
