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प्रश्न
Tick (√) the most appropriate answer.
A metal which is a poor conductor of electricity is:
पर्याय
zinc
aluminium
tungsten
iron
उत्तर
tungsten
APPEARS IN
संबंधित प्रश्न
State why concentrated sulphuric acid is not used for drying ammonia gas
What is meant by "brittleness"? Which type of elements usually show brittleness: metals or non-metals?
State one use of Hydrogen.
"Is malleable and ductile". This best describes:
(a) a metal
(b) a compound
(c) a non-metal
(d) a solution
Name the metals present in the following alloys
Stainless steel
Fill in the blank:
A metal stored in kerosene oil is _______
Write ‘True’ or ‘False’ in front of following statement.
Graphite is used in making filaments of electric bulb.
Name one metal which is a liquid at room temperature
State two important uses of following non-metal
Uses of graphite
Distinguish between metals and non metals on the basis of:
(i) ion formation, (ii) discharge of ions, (iii) nature of oxide formed, (iv) oxidizing and reducing property, (v) reaction with acids.
`M+ HCl → MCl_2 +—`
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Neutral oxide ……………..
Name:
a non metal which is lustrous
Name:
two metallic oxides which are amphoteric
Identify the odd term.
Why is hydrogen kept in the metal activity series?
Which metal occurs as a halide also gives the name of their respective ore.
Match the following:
| Column A | Column B |
| (a) Helium | (1) Electric bulb |
| (b) Neon | (2) Thermometer |
| (c) Argon | (3) Semiconductor |
| (d) Germanium | (4) Weather balloons |
| (e) Mercury | (5) Advertising signboards |
Select the appropriate option for the following statement:
The element from the halogen family which is most abundant
Find the odd one out and give its explanation.
