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प्रश्न
Write scientific reason.
The stainless steel vessels in Kitchen have copper coating on the bottom.
उत्तर
The stainless steel vessels in the Kitchen have a copper coating on the bottom because copper is a good conductor of heat and electricity; by using copper cookware, any meal can be prepared in a perfect and gentle way. They are the best pots and pans for cooking and roasting. This is particularly due to the fact that copper has excellent material properties and is cheap metal as compared to other metals.
संबंधित प्रश्न
Choose the most appropriate answer of the following:
This is not an alloy of copper:
(A) Brass
(B) Bronze
(C) Solder
(D) Duralumin.
Name one metal and one non-metal which exist in liquid state at room temperature.
Name two metals which are used for making electric wires.
Name one property which is characteristic of non-metals.
Name a non-metal which conducts electricity.
Name a non-metal having lustre (shining surface).
Name a non-metal which is extremely hard.
How do non-metals react with oxygen? Explain with an example. Give equation of the reaction involved. What is the nature of the product formed? How will you demonstrate it?
Name a non-metal that a good conductor of heat and electricity
Give reasons
Copper is used in making electric cables.
Name the metals present in the following alloys
Brass
Fill in the blank.
A non-metal used to purify water is ______.
Tick (√) the most appropriate answer.
Copper metal is used in :
State two important uses of following non-metal
Uses of oxygen
Name:
a metal with dull appearance
Name:
a non-metal which is ductile
Name:
a non- metal used in alloys
`N+—→ N^3-`
Explain how the activity series accounts for each of the following:
reaction with acids
Give the balanced reactions for the following:
Sodium is dropped in water
Give a short account of heating effect on metal carbonates based on the activity series ?
Give the effect of heat on metal oxides based on the activity series ?
Which metal occurs as an oxide also gives the name of their respective ore.
How are metals like sodium, potassium, and calcium obtained? Give equations.
Describe a simple experiment to prove that a copper wire conducts electricity, but a piece of coal does not.
Complete the statement given below, by filling in the blank with the correct word:
The ability of a metal to produce a reasonant sound ______.
The non-metal which conducts electric current is
Which non-metal is essential for our life and all living beings?
Tabulate the differences between metals and non-metals.
Name six common non-metals and write their symbols.
