Advertisements
Advertisements
प्रश्न
“Is malleable and ductile” best describes :
पर्याय
a solution
a metal
a compound
a non-metal
उत्तर
a metal
Metals are malleable and ductile as they can be hammered into thin sheets and can be stretched into wires.
APPEARS IN
संबंधित प्रश्न
The inter-molecular space is maximum in
When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
Name a non-metal which is a good conductor of electricity.
Which of the following substances are elements ?
Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Which of the two will scatter light : soap solution or sugar solution ? Why ?
Choose the correct answer.
A 15% alcohol solution means :
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Name the process by which common salt is obtained from sea-water.
Describe a method to separate a mixture of camphor and sand.
How will you separate a mixture of common salt, sulphur powder and sand ?
Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.
One of the following does not undergo sublimation. This one is :
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.