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प्रश्न
Choose terms from the options given in brackets to complete this sentence.
Sodium ………………. reacts smoothly with cold water.
(metal, amalgam, in the molten state)
उत्तर
Sodium amalgam reacts smoothly with cold water.
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संबंधित प्रश्न
Hydrogen can be prepared with the metal zinc by using:
acid
Give an equation.
Hydrogen can be prepared with the metal zinc by using: alkali
Give an equation.
Give an equation to express the reaction between:
Steam and red hot iron
Which metal is preferred for collecting hydrogen from Cold water? Write the balanced equation.
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
How would you identify the gaseous products evolved.
State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
