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प्रश्न
One of the following represents the solution of solid in a solid. This one is :
विकल्प
boron
brass
beryllium
bread
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उत्तर
brass
Brass is an example of solution of solid in solid. It is an alloy of copper and zinc.
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संबंधित प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
Fill in the following blank with suitable words :
The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................
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.
The property/properties which enable copper metal to be used for making electric wires is/are :
Out of a colloid, solution and a suspension :
which one has the largest particles ?
What is the most common way of expressing the concentration of a solution ?
State whether the following statement is true or false :
Sponge is an example of solid sol.
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
How is scrap iron separated from a heap of waste materials in factories?
Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.
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.
______ is not made of matter.
A standard sheet of paper is about ______ of atoms thick
Which of the following statements are true for pure substances?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
Solids possess very high kinetic energy.
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
Solid is an arrangement of particles ______.
