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प्रश्न
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
Salt of silver, such as ________ is used for making photographic films.
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उत्तर
Salt of silver, such as silver chloride is used for making photographic films.
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संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
What is an amalgam?
Which property of 'solder' alloy makes it suitable for welding electrical wires?
Mention two uses of the following metals and non-metals
Oxygen
Tick (√) the most appropriate answer.
Graphite is used :
Name a metal which is not malleable :
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Write name.
Molecular formula of the common ore of aluminium.
With reference to the following metal state its use in daily life:
Magnesium
State a specific reason for using copper in electrical cables
Name the following:
A halogen which is a solid at room temperature.
When a copper coin is dipped in the solution of silver nitrate, it shows a lustre on its surface. Explain this process with the help of a chemical equation.
Which one of the following is an example for a metal?
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Which of the following metals can displace the other two metals from their salt solutions?
The typical shine of metals is called ______.
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
Which metal has the highest ductility?
