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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
Write the name and formulae of a metal hydride.
State five uses of metals
State one use of Iron.
State one use of Gold.
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
Give reasons
Gold is mixed with copper and nickel.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
Halogen reacts with acid.
Which one of the following is an example for a metal?
An element which is always lustrous, malleable and ductile is ______.
Higher Order Thinking Skills.
Aakash noticed that the metal latch on gate was difficult to open during hot sunny days. However, it was not difficult to open the same latch at night. Aakash observed that the latch and the gate are exposed to the sun during day time.
- Formulate a hypothesis based on the information provided.
- Briefly state how you would test the hypothesis.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Which metal has the highest ductility?
Why do metals appear shiny?
Which metals are liquid at room temperature?
