Advertisements
Advertisements
प्रश्न
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Advertisements
उत्तर
Gallium is a liquid metal.
APPEARS IN
संबंधित प्रश्न
State five uses of metals.
State one use of the following metal:
Gold
State one use of the following metal:
Mercury
Brass is an alloy of copper and ______.
What elements are present in steel?
A metal with melting point less than 50°C is
State two important uses of following metals:
Uses of iron
State two important uses of following metal
Uses of lead
State the position of the following in the periodic table:
Alkali metals
State the position of the following in the periodic table:
Aluminium
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Give a reason why a green deposit is seen on the surface of an article of copper
Soft metal : Na : : hard metal : _______
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.
What is ductility?
Which of the following two combinations are correct?
| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Match the following
| i. | Softest metal | a. | Copper |
| ii. | Hardest metal | b. | Sodium |
| iii. | Hardest non–metal | c. | Osmium |
| iv. | Ductility | d. | Diamond |
Which metals are not solid at room temperature?
