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Write five properties of metal and nonmetal

Posted by Tanu Parashar 7 years, 4 months ago

2 answers

Khushi Nain 7 years, 4 months ago

•Metals are ductile . •Metals are malleable. • Metals are lustrous. •Non metals are not ductile . •Non metals are not malleable. •Non metals are dull

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Akansha Variyani 7 years, 4 months ago

1. Metals are good conductors of heat and electricity but non metals are poor conductors of heat and electricity. 2. Metals react with water and non metals do not react with water. 3. On burning, metals react with oxygen to produce metal oxides which are basic in nature.Non-metals react with oxygen to produce non metallic oxides which are acidic in nature. 4. Metals are lustrous whereas non metals have no lustre. 5. Metals are malleable and ductile. Non- metals do not have these properties. 6. Metals and non- metals are used widely in every day life.

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It is difficult to burn a heap of green leaf but relieved catch fire easily explain

Posted by Tanu Parashar 7 years, 4 months ago

CBSE > Class 08 > Science

0 answers

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How CO2 is able to control fire

Posted by Tanu Parashar 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Divyansh Tomar 7 years, 4 months ago

Carbon dioxide being heavier than oxygen covers the fire like a blanket since the contact between fuel and oxygen is cut off the fire is controlled. Moreover it lower down the temperature of the fuel.

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Water is not used control fire involving electrical equipment

Posted by Tanu Parashar 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

Water is a conductor of electricity, so it can easily conduct electric current and cause danger of electric shocks or short-circuits. Therefore, water can not be used to control the fire involving electrical equipment. ... So it does not catch fire. Water is a good conductor of electricity. So when it is used to extinguish fire caused by electricity then it may cause electrocution to the person who are extinguishing the fire. water is a very much good conductor of electricity. so it must never be used to extinguish fire involving electrical equipments.

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Explain how the use of CNG in automobiles has reduced pollution in our city

Posted by Tanu Parashar 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

CNG is comprised mostly of methane gas which, like gasoline, produces engine power when mixed with air and fed into your engine's combustion chamber. CNG is compressed so that enough fuel can be stored in your vehicle to extend driving range, much like the gasoline tank in vehicles. Combustion of fuels like petroleum causes formation of un-burnt carbon particles along with carbon monoxide gas. These harmful pollutants enter the air and cause respiratory diseases. It is a comparatively cleaner fuel. Therefore, the use of CNG has reduced pollution in our cities.

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List the condition under which competition take place

Posted by Tanu Parashar 7 years, 4 months ago

CBSE > Class 08 > Science

0 answers

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Simplify and write the answer in positive exponent form (1/3)-² (1/2)-³ ÷ (1/4)-²

Posted by Ansh Gupta 7 years, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

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Why only newton invented the theory not me

Posted by Aman Khan 7 years, 4 months ago

CBSE > Class 08 > Science

0 answers

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What is the defination of pascal and liquid pressure

Posted by Varshita Bhargava 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Tiksha Gupta 7 years, 4 months ago

Pascsl is SI unit of pressure, which is newton per meter square. Liquid pressure is pressure excerted by liquid.

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What will happen metal react with acid

Posted by Purandev Singh 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Dev Tera Yaar Jaat☢️ 7 years, 4 months ago

When acids react with metals, they produce a salt and hydrogen gas. Most metals react with acids, but not all. The general equation that describes the chemical reaction between an acid and metal is metal + acid = salt + hydrogen gas.

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What is the differnce between parimal ghose and bipin choudhry

Posted by Sakshi Kumari 7 years, 4 months ago

CBSE > Class 08 > English

0 answers

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Meaning of unique constitution

Posted by Nishu Sharma 7 years, 4 months ago

CBSE > Class 08 > Social Science

0 answers

ANSWER

Please explain nitrogen cycle

Posted by Deepisha Gokhroo 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Dev Tera Yaar Jaat☢️ 7 years, 4 months ago

the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

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What is the cube of 18765

Posted by Muskan Srivastava 7 years, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Is the money bill can pass in the rajya sabha

Posted by Deepisha Gokhroo 7 years, 4 months ago

CBSE > Class 08 > Social Science

1 answers

Dev Tera Yaar Jaat☢️ 7 years, 4 months ago

Money bills passed by the Lok Sabha are sent to the Rajya Sabha (the upper house of parliament, elected by the state and territorial legislatures or appointed by the president). The Rajya Sabha may not amend money bills but can recommend amendments.

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Explain the discovery of penicillin

Posted by Rutuja Shah 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming. Penicillin was discovered in London in September of 1928. As the story goes, Dr. Alexander Fleming, the bacteriologist on duty at St. Mary's Hospital, returned from a summer vacation in Scotland to find a messy lab bench and a good deal more. People began using it to treat infections in 1942. Fleming's legendary discovery of penicillin occurred in 1928, while he was investigating staphylococcus, a common type of bacteria that causes boils and can also cause disastrous infections in patients with weakened immune systems.

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Who was nawabs

Posted by Arunitha Mohan 7 years, 4 months ago

CBSE > Class 08 > Social Science

2 answers

Akansha Variyani 7 years, 4 months ago

An anglicised version of the Indian word nawabs.

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Manu Raghav 7 years, 4 months ago

Ruller of the place

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What are biological nitrogen fixers ?

Posted by Geetha Lakshmi Hina 7 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Deepika Praveen 7 years, 4 months ago

Biological nitrogen fixation (BNF) is the term used for a process in which nitrogen gas (N₂) from the atmosphere is incorporated into the tissue of certain plants. Only a select group of plants is able to obtain N this way, with the help of soil microorganisms.

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The price of a commodity rose by25% . By what per cent must a house lady reduce her consumption so that her expenditure is not increased on it

Posted by Rahul Verma 7 years, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

Ishwar Gurjar 7 years, 4 months ago

Misceleaneous

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Why did tillys family went to thailand?

Posted by K.Ř Minugu 7 years, 4 months ago

CBSE > Class 08 > English

1 answers

Kritika Gupta 7 years, 4 months ago

Tillys family goes thailand to celebrate christmas

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a2 +b2=

Posted by Upendra Solanki 7 years, 4 months ago

CBSE > Class 08 > Mathematics

2 answers

Nova Meyer 7 years, 4 months ago

(a+b)^2-2ab

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Kashish Bhambhani 7 years, 4 months ago

(a+b) whole 2

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P4-256

Posted by Soumya Bali 7 years, 4 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

8th last year question pape r of sanskrit

Posted by Rekha Ugale 7 years, 4 months ago

CBSE > Class 08 > Other Subjects

0 answers

ANSWER

Volume of a cube

Posted by Ridhi Dalal 7 years, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

Deepika Praveen 7 years, 4 months ago

Definition: The number of cubic units that will exactly fill a cube
Recall that a cube has all edges the same length. The volume of a cube is found by multiplying the length of any edge by itself twice. So if the length of an edge is 4, the volume is 4 x 4 x 4 = 64

Or as a formula:
volume = s³where:
<i>s</i> is the length of any edge of the cube.

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How to find sqare root of 0.35

Posted by Soumyadeep Das 5 years, 8 months ago

CBSE > Class 08 > Mathematics