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प्रश्न
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Write the name and formulae of a metal hydride.
What is an amalgam?
What is an alloy? Give two examples of alloys.
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
State two important uses of following metal.
Uses of copper
Write name.
The oxide that forms salt and water by reacting with both acid and base.
With reference to the following metals state their use in daily life metal:
Silver
Name the following:
A metal used in flexible pipes.
Complete the following flowchart.
The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Why are bells made of metals?
The liquid metal at room temperature ______.
The typical shine of metals is called ______.
Sodium is a hard metal.
Why do metals appear shiny?
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
