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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
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
Give reasons for the following.
Sodium and potassium are stored in kerosene.
State one use of the following metal:
Aluminium
The atomic number of an element X is 12.
- What must an atom of X do to attain the nearest inert gas electron configuration?
- Which inert gas is nearest to X?
Give the composition of an alloy called solder. State its one property and one use.
What is a thermite reaction? Explain with the help of an equation.
Give reasons
Graphite is used in the leads of pencils
State two important uses of following metal:
Uses of gold
State two important uses of following metal:
Uses of silver
State two important uses of the following metal.
Uses of magnesium
State the position of the following in the periodic table:
Alkali metals
State the position of the following in the periodic table:
Alkaline earth metals
Why is hydrogen placed with alkali metals?
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
What was Mendeleev's basis for the classification of elements?
With reference to the following metals state their use in daily life metal:
Zinc
Halogen reacts with acid.
Compare the properties of metals and nonmetals. Give three examples for each.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
