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प्रश्न
Complete the statement by filling the blank with the correct word given below.
The law of conservation of mass is strictly valid if mass and _________ are considered together.
विकल्प
energy
volume
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उत्तर
The law of conservation of mass is strictly valid if mass and energy are considered together.
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संबंधित प्रश्न
In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium acetate. Show that these observations are in agreement with the law of conservation of mass.
Sodium carbonate + acetic acid → sodium acetate + carbon dioxide + water
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Fill in the blank:
Matter is anything that has............. and occupies .............
Name the scientist who gave law of conservation of mass.
State the law of conservation of mass. Give one example to illustrate this law.
Copper sulphate reacts with sodium hydroxide to form a blue precipitate of copper hydroxide and sodium
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State the ‘law of conservation of mass’.
Match the following.
| Law of conservation of mass | Sir William Crookes |
| Law of constant proportion | James Chadwick |
| Cathode rays | Joseph Proust |
| Anode rays | Lavoisier |
| Neutrons | Goldstein |
The chemical symbol for nitrogen gas is ______.
Name the four laws of chemical combinations.
