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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.
उत्तर
Salt of silver, such as silver chloride is used for making photographic films.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
State five uses of metals
What is a thermite reaction? Explain with the help of an equation. State one use of this reaction.
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Mention two uses of the following metals and non-metals
Aluminium
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
State two important uses of following metal:
Uses of silver
State two important uses of following metal
Uses of tin
State two important uses of following metal
Uses of mercury
State the position of the following in the periodic table:
Alkaline earth metals
State the position of the following in the periodic table:
Aluminium
What was Mendeleev's basis for the classification of elements?
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Name the following:
The chemical compound responsible for the green deposit on the surface of articles of copper.
Aluminium: _______: gold : : electric insulator
What is ductility?
In the given figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
