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प्रश्न
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of phosphorus pentoxide with water gives _______.
विकल्प
H3PO3
H3PO4
उत्तर
Direct combination reaction of phosphorus pentoxide with water gives H3PO4.
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संबंधित प्रश्न
What type of chemical reaction is represented by the following equation?
A + B → C
Give one example of a combination reaction which is also exothermic.
Give one example of a combination reaction which is also endothermic.
Fill in the blank
The chemical reaction between hydrogen and chlorine is a ................ reaction
Explain the terms with examples.
Combination reaction
H2(g) + Cl29(g) → 2HCl(g) is a ______
Which of the following is not a physical change?
Identify the correct option from the given table which represents the type of reactions occurring in step 1 and step 2.
A clear solution of slaked lime is made by dissolving Ca(OH)2 in an excess of water. This solution is left exposed to air. The solution slowly goes milky as a faint white precipitate forms. Explain why a faint white precipitate forms, support your response with the help of a chemical equation.
- Assertion: Rusting of Iron is endothermic in nature.
- Reason: As the reaction is slow, the release of heat is barely evident.
