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
Salt of silver, such as ________ is used for making photographic films.
Advertisements
उत्तर
Salt of silver, such as silver chloride is used for making photographic films.
APPEARS IN
संबंधित प्रश्न
Write the name and formulae of a metal hydride.
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
Fill in the following blank with suitable word:
Brass is an alloy of copper and .........
Give reasons
Aluminium is used in making aircrafts.
Fill in the blank
A metal that gives dazzling effect to crackers when they explode is ______
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
State two important uses of following metal
Uses of magnesium
State the position of the following in the periodic table:
Alkaline earth metals
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Write name.
Molecular formula of the common ore of aluminium.
Write scientific reason.
Sodium is always kept in kerosene.
State a specific reason for using copper in electrical cables
Write the name.
Two highly reactive metals-
Compare the properties of metals and nonmetals. Give three examples for each.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Metals are usually solids or gases at room temperature.
The metal can be cut with a knife ______.
Metals are ______ conductors of heat and electricity.
Which metals are liquid at room temperature?
