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प्रश्न
The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is know as:
(a) law of conservation of momentum
(b) law of conservation of mass
(c) law of conservation of motion
(d) law of conservation of magnetism
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उत्तर
(b) law of conservation of mass
Equations are balanced when the mass of atoms of different elements in reactants' side equals the atoms in products' side. If it is not so, it means that matter is either created or destroyed in reactions, which is impossible.
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संबंधित प्रश्न
Balance the gievn equation:
NaOH + H2SO4 
Na2SO4 + H2O
Balance the given equation:
BaCI2 + H2SO4 
BaSO4 + HCI
What do you understand by exothermic reactions?
The chemical reaction between quicklime and water is characterised by:
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(b) formation of slaked lime precipitate
(c) change in temperature of mixture
(d) change in colour of the product
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(a) electrolysis of water
(b) conversion of limestone into quicklime
(c) process of respiration
(d) process of photosynthesis
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- Ammonia
- Sulphur dioxide
- Hydrogen Chloride
- Chlorine
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- Oxygen
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\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
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Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
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Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
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