Advertisements
Advertisements
Question
With reference to the following metals state their use in daily life metal:
copper
Advertisements
Solution
Copper:
- Making calori meters as it is good conductor of heat.
- Making thin wires being conductor of electricity.
APPEARS IN
RELATED QUESTIONS
Give reasons
Magnesium is used in fire works.
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
A metal which is neither ductile nor malleable is
Name a metal which is not malleable :
State two important uses of following metal
Uses of lead
Why are alkali metals kept in kerosene oil?
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
What is it made from? Why?
Electric cables
State a specific reason for using copper in electrical cables
Name the following:
The most reactive halogen.
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Halogen reacts with acid.
Complete the following flowchart.

Why are bells made of metals?
Give reasons for the following.
- Aluminum foils are used to wrap food items.
- Immersion rods for heating liquids are made up of metallic substances.
- Sodium and potassium are stored in kerosene.
- Mercury is used in thermometers.
Which one of the following metals do not react with cold as well as hot water?
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
Why do metals appear shiny?
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.
