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प्रश्न
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
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उत्तर
(a) A reaction in which two or more substances combine together to form a single substance is called a synthesis or combination reaction.
A + B → AB
In the above reaction, substances A and B combine to give a molecule of a new substance, AB.
(b) Carbon burns in oxygen to form a gaseous compound, carbon dioxide.
\[\ce{C + O2 -> CO2}\]
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संबंधित प्रश्न
Complete the following statement.
In the type of reaction called_______________, two compounds exchange their positive and negative radicals.
Explain, giving one example of the following chemical change:
Thermal dissociation
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO2 + SO2→ PbSO4
State the type of reactions for the following represent and balance the ones that are not balanced.
CuO+H2→ Cu+ H2O
State the type of reactions for the following represent and balance the ones that are not balanced.
AgNO3 + NaCl → AgCl + NaNO3
State which of the substance given below evolve oxygen gas on thermal decomposition.
Washing soda
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{2Mg + O2->2MgO}\]
Give a balanced equation for the following reaction of synthesis involving the formation of:
An alkali – from a basic oxide – sodium oxide
Convert a soluble base to their respective soluble salts by neutralization reaction.
Chemical reaction in which reactants react to form products and the products formed react with each other directly to form the original reactants back is known as ______ reaction.
