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प्रश्न
Name two metals which cannot displace hydrogen from dilute acids.
उत्तर
Copper and silver are two metals which cannot displace hydrogen from dilute acids.
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संबंधित प्रश्न
Complete and balance the following equation:
Fill in the following blank with suitable word:
Calcium is a ................. reactive metal than sodium.
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
How do non-metals react with hydrogen? Explain with an example.
What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
Which non-metal has been placed in the reactivity series of metals?
An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen
An element is soft and can be cut with a knife. If is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be:
(a) Mg
(b) S
(c) P
(d) Na
Write the name and formula of a molecule made up of three atoms of oxygen.
