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प्रश्न
Fill in the blank
The chemical reaction between hydrogen and chlorine is a ................ reaction
उत्तर
The chemical reaction between hydrogen and chlorine is a combinaton reaction.
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संबंधित प्रश्न
When hydrogen burns in oxygen, water is formed and when water is electrolysed, then hydrogen and oxygen are produced. What type of reaction takes place:
(a) in the first case?
(b) in the second case
What happens during a chemical reaction ?
What do you observe when when dilute sulphuric acid is added to barium chloride solution ?
What are chemical combination or synthesis reactions ? Chemical combination or synthesis:
Explain the terms with examples.
Combination reaction
Select the correct answer for the statement given below:
The product formed during direct combination reaction of carbon dioxide and water.
Complete the statement by filling in the blank with the correct word:
Direct combination reaction of phosphorus pentoxide with water gives _______.
Balance the following chemical equation and identify the type of chemical reaction.
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`"CaO"("s") + "SiO"_2("s") -> "CaSio"_3("s")`
Read the text below and answer the questions that follow:
A small amount of hydrochloric acid was taken in a test tube. The test tube was heated. A glass rod was dipped in the ammonia solution and held on the top of the test tube. A white smoke was seen emanating from the tip of the glass rod.
- What must have happened?
- Which colour of gas is formed?
- Write the chemical equation for the reaction.
