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Match the physical quantities given in column A to their S I units given in column B: (A) (B) (a) Pressure (i) cubic metre (b) Temperature (ii) kilogram (c) Density (iii) pascal (d) Mass - Science

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प्रश्न

Match the physical quantities given in column A to their S I units given in column B:

(A) (B)
(a) Pressure (i) cubic metre
(b) Temperature (ii) kilogram
(c) Density (iii) pascal
(d) Mass (iv) kelvin
(e) Volume (v) kilogram per cubic metre
जोड़ियाँ मिलाइएँ

उत्तर

(A) (B)
(a) Pressure (iii) pascal
(b) Temperature (iv) kelvin
(c) Density (v) kilogram per cubic metre
(d) Mass (ii) kilogram
(e) Volume (i) cubic metre
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अध्याय 1: Matter In Our Surroundings [पृष्ठ ९]

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एनसीईआरटी एक्झांप्लर Science [English] Class 9
अध्याय 1 Matter In Our Surroundings
Q 14. | पृष्ठ ९

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Fill in the blank

Liquids have a definite ______


Fill in the following blanks with suitable words :

An element is made up of only one kind of ........


Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air


Which of the two will scatter light : soap solution or sugar solution ? Why ?


Name the process by which common salt is purified.


Fill in the following blanks with suitable words :

 If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................


Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.


Which of the following mixture cannot be separated by using water as the solvent ?


Which one of the following scrap metal cannot be separated by magnetic separation ?


Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.

  1. What could X be ?
  2. What could Y be ?
  3. Name the process Z.
  4. Which process would you use to recover both the components X and Y from tincture of iodine ?
  5. Which process can be used to recover only component Y from tincture of iodine ?

The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.

(a) What do you think could (i) constituent A, and (ii) liquid D be ?

(b) What could (i) constituent B, and (ii) liquid E be ?

(c) What could liquid C be ?

(d) How will you separate the mixture containing A, B and C ?


What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?


Which among the following ______ will get attracted to by magnet?


______ is a smallest particle.


A standard sheet of paper is about ______ of atoms thick


What type of matter glass is?


Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal which exists as a liquid at room temperature.


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

The movement of particles in liquids is ______.


Define the term matter.


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