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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
The atomic number of an element Y is 16.
- What must an atom of Y do to achieve the nearest inert gas electron arrangement?
- Which inert gas is nearest to Y?
Brass is an alloy of copper and ______.
What is a thermite reaction? Explain with the help of an equation.
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.
Tick (√) the most appropriate answer.
Graphite is used :
State two important uses of following metal
Uses of tin
State two important uses of following metal
Uses of lead
Why is hydrogen placed with alkali metals?
Write name.
The reagent that dissolves noble metals.
What is it made from? Why?
Ornaments
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.
Which one of the following is an example for a metal?
An element which is always lustrous, malleable and ductile is ______.
The most abundant element in the universe is ____________.
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
The ability of metals to be drawn into thin wire is known as
In the following 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.
The metal can be cut with a knife ______.
