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प्रश्न
Fill in the blank
_______ is a soft metal.
उत्तर
Pure gold is a soft metal.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
What is meant by 22 carat gold? Name the metals which are usually alloyed with gold to make it harder.
Give reasons
Gold is mixed with copper and nickel.
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
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
Name the following:
The most reactive halogen.
Soft metal : Na : : hard metal : _______
Complete the following flow chart.
Can you store pickle in an aluminium utensil? Give reason.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Which of the following metals can displace the other two metals from their salt solutions?
| Zinc | iron | copper |
All gases are ______.
Which metals are liquid at room temperature?
Why are metalloids called semimetals?
The metals which are found in both free state as well as combined state are ______.
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:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
