Advertisements
Advertisements
प्रश्न
A metallic oxide which cannot be reduced by normal reducing agents:
पर्याय
Zinc oxide
Magnesium oxide
Copper (II) oxide
Iron (III) oxide
उत्तर
Magnesium oxide
APPEARS IN
संबंधित प्रश्न
Can you store lemon pickle in an aluminium utensil? Explain.
Match the substances given in Column A with their uses given in Column B.
A | B | ||
1 | Gold | a | Thermometers |
2 | Iron | b | Electric wire |
3 | Aluminium | c | Wrapping food |
4 | Carbon | d | Jewellery |
5 | Copper | e | Machinery |
6 | Mercury | f | Fuel |
Name the gas that is produced in the given case:
The reaction of ethanol and sodium.
Name a liquid non-metal.
Give the balanced reactions for the following:
Iron reacts with dilute HCI
How many valence electrons are present in:
(i) metals and
Why is hydrogen kept in the metal activity series?
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which has low tensile strength
Complete the statement given below, by filling in the blank with the correct word:
A non-metal which allows an electric current to pass through it ______.
Find the odd one out and give its explanation.