Advertisements
Advertisements
Question
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A solution of a metal in mercury is called ________
Advertisements
Solution
A solution of a metal in mercury is called amalgam.
APPEARS IN
RELATED QUESTIONS
State one use of the following metal:
Aluminium
What is meant by 22 carat gold?
How are the properties of an alloy different from those of the constituent elements?
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
Name a metal which is not malleable :
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
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
What is it made from? Why?
Pots and pans
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.
Why are bells made of metals?
Why are bells made of metals?
Metals are ______ conductors of heat and electricity.
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
Which metal has the highest ductility?
Which metals are liquid at room temperature?
