Match the physical quantities given in column A to their Sl units given in column B. Column (A) Column (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

(a) Pressure is known as force per unit area. Its unit is Pascal. (b)Temperature is a physical property of matter that quantitatively expresses hot and cold. Its unit is Kelvin. (c) The density, of a substance is its mass per unit volume. Its unit is kilogram per cubic metre. (d) Mass is a large body of matter with no definite shape. Its SI unit is Kilogram. (e) Volume is the quantity of three-dimensional space enclosed by a closed surface. Its unit is cubic metre. Column (A) Column (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

The non Sl and Sl units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity. Column (A) Column (B) (a) Degree Celsius (i) kilogram (b) Centimetre (ii) pascal (c) Gram per centimetre cube (iii) metre (d) Bar (iv) kelvin (e) Milligram (v) kilogram per metre cube

(a) Celsius and kelvin both are units of temperature. 0 ° C = 273 K (b) Centimeter and meter both are units to measure length. (c) Gram per centimetre cube and kilogram per metre cube both are units of density. (d) Bar and pascal are units of pressure. (e) Milligram and kilogram both are units to measure mass. Column (A) Column (B) (a) Degree Celsius (iv) kelvin (b) Centimetre (iii) metre (c) Gram per centimetre cube (v) kilogram per metre cube (d) Bar (ii) pascal (e) Milligram (i) Kilogram

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A sample of water under study was found to boil at $102 ° C$ at normal temperature and pressure. Is the water pure? Will this water freeze at $0 ° C ?$ Comment.

Important Questions on Matter in Our Surroundings

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 12

A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following figure would correctly represent the result? Justify your choice.

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 13

Evaporation of a liquid at room temperature leads to a _____effect.

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 13

At room temperature the forces of attraction between the particles of solid substances are _____ than those which exist in the gaseous state. (stronger / weaker)

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 13

The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called _____.

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 14

Match the physical quantities given in column A to their Sl units given in column B.

	Column (A)		Column (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

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9th CBSE

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 15

The non Sl and Sl units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity.

	Column (A)		Column (B)
(a)	Degree Celsius	(i)	kilogram
(b)	Centimetre	(ii)	pascal
(c)	Gram per centimetre cube	(iii)	metre
(d)	Bar	(iv)	kelvin
(e)	Milligram	(v)	kilogram per metre cube

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 16

'Osmosis is a special kind of diffusion'. Comment.

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NCERT Exemplar Science - Class 9>Chapter 1 - Matter in Our Surroundings>Short Answer Questions>Q 17

Classify the following into osmosis/diffusion:
Swelling up of a raisin on keeping in water.

A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is the water pure? Will this water freeze at 0°C? Comment.

Important Questions on Matter in Our Surroundings

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A sample of water under study was found to boil at $102 ° C$ at normal temperature and pressure. Is the water pure? Will this water freeze at $0 ° C ?$ Comment.