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प्रश्न
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Write the name and formula of a metal hydride.
State one use of the following metal:
Silver
State one use of the following metal:
Gold
What is an alloy?
Statements given below are incorrect. Write the correct statements :
Bronze is a mixture of 10% copper, 80% zinc and 10% tin.
State two important uses of following metal:
Uses of gold
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Why are alkali metals kept in kerosene oil?
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
Which is the non-ionic compound in the compounds given below.
AgNO3 + Nacl → AgCl + NaNO3
With reference to the following metals state their use in daily life metal:
iron
With reference to the following metals state their use in daily life metal:
Lead
State why telegraph poles are painted with aluminium paint.
Give a reason why a green deposit is seen on the surface of an article of copper
Aluminium: _______: gold : : electric insulator
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.
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
An element which is always lustrous, malleable and ductile is ______.
Compare the conductivity of metals and non–metals.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
