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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Stainless steel is used for making power transmission wires.
विकल्प
True
False
उत्तर
False.
Copper is used for making power transmission wires.
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संबंधित प्रश्न
Classify the following elements into metals, non–metals and metalloids: C, Mg, Si, S, Hg, As.
Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.
Give the name and formulae of two basic oxides.
Name one property which is characteristic of metals.
State one use of Nitrogen.
Name the metal which is used in making thermometers.
Which of the following metal exists in the liquid state?
(a) Na
(b) Ag
(c) Cr
(d) Hg
The electronic configurations of three elements X, Y and Z are:
| X : 2 | Y : 2, 8, 7 | Z : 2, 8, 2 |
Which of the following is correct regarding these elements?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal
Name a non-metal that is liquid at room temperature
Fill in the blank
A chemical compound that makes up the striking heads of match sticks is ______
Statements given below are incorrect. Write the correct statements :
Soda water is prepared by dissolving washing soda in water.
Name a metal which can be cut with a knife :
Name a non-metal whose compounds help in the growth of plants.
State two important uses of following non-metal
Uses of graphite
`Cl +e- → —`
Name:
two non metals which are monoatomic
Explain how the activity series accounts for each of the following:
reaction with acids
Give a short account of heating effect on metal carbonates based on the activity series ?
Distinguish between an ore and a metallic compound.
