What is the colour imparted to the flame by Calcium,Strantium and Barium?

What is the colour imparted to the flame by Calcium,Strantium and Barium?
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Ans Calcium, strontium and barium impart characteristic brick red, crimson and apple green colours respectively to the flame. In flame the electrons are excited to higher energy levels and when they drop back to the ground state, energy is emitted in the form of visible light.
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Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Description : Colour imparted to the Bunsen flame by strontium salt is - (1) bluish green (2) apple-green (3) brick red (4) crimson red

Last Answer : (4) crimson red Explanation: A flame test is performed by introducing a sample into the blue flame of a bunsen burner and noting any change in the colour of the flame. The tests can be used ... metallic elements in salts. With strontium salt, the colour of Bunsen flame ranges from crimson to red.

What is the colour imparted to the flame by Ca,Sr and Ba?

Description : What is the colour imparted to the flame by Ca,Sr and Ba?

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Give reason for the colour imparted to the flame by alkali metals

Description : Give reason for the colour imparted to the flame by alkali metals 

Last Answer : The alkali metals and their salts impart characteristic colour to an oxidizing flame. This is because the heat from the flame excites the outermost orbital electron to a higher energy level. When the ... electron comes back to the ground state, there is emission of radiation in the visible region. 

Colour imparted to the Bunsen flame by strontium salt is (1) bluish green (2) apple-green (3) brick red (4) crimson red

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Last Answer : crimson red

The green colour seen in firework displays is due to the chloride salt of– (1) Sodium (2) Strontium (3) Barium (4) Calcium

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Last Answer : (3) Barium Explanation: The red, orange, yellow, green, blue and purple colors exploding in the night sky during a pyrotechnic festival are created by the use of metal salts. Barium chloride ... orange), sodium nitrate (yellow), barium chloride (green fireworks) and copper chloride (blue fireworks).

The green colour seen in firework displays is due to the chloride salt of : (1) Sodium (2) Strontium (3) Barium (4) Calcium

Description : The green colour seen in firework displays is due to the chloride salt of : (1) Sodium (2) Strontium (3) Barium (4) Calcium

Last Answer : Barium

Blue colour is imparted to glass by the addition of (A) FeSO4 (B) PbO (C) CaO (D) NaOH

Description : Blue colour is imparted to glass by the addition of (A) FeSO4 (B) PbO (C) CaO (D) NaOH

Last Answer : (C) CaO

Which one of the following is used to restore the colour of old oil-paintings? (1) Ozone (2) Hydrogen peroxide (3) Barium peroxide (4) Sodium peroxide

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Last Answer : (1) Calcium Carbonate Explanation: When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate.

Which of the following elements is not an alkaline earth metal? w) beryllium x) barium y) calcium z) rubidium

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A student took Sodium Sulphate solution in a test tube and added Barium Chloride solution to it. He observed that an insoluble substance has formed. The colour and molecular formula of the insoluble substance is (a) Grey, Ba2SO4 (b) Yellow, Ba(SO4)2, (c) White, BaSO4 (d) Pink, BaSO4,

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What is wrong with this word equation calcium chloride plus magnesium sulfate barium chloride plus magnesium sulfate?

Description : What is wrong with this word equation calcium chloride plus magnesium sulfate barium chloride plus magnesium sulfate?

Last Answer : There is no equation in the question, only two pair of tworeactants.

What is wrong with this word equation calcium chloride plus magnesium sulfate barium chloride plus magnesium sulfate?

Description : What is wrong with this word equation calcium chloride plus magnesium sulfate barium chloride plus magnesium sulfate?

Last Answer : There is no equation in the question, only two pair of tworeactants.

Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

Description : Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

Last Answer : (2) Magnesium Explanation: Chlorophyll is a chlorin pigment, which is structurally similar to and produced through the same metabolic pathway as other porphyrin pigments such as heme. At the center of the chlorin ring is a magnesium ion.

Chemical name of 'alum' is (A) Barium sulphate (B) Aluminium sulphate (C) Aluminium chloride (D) Calcium sulphate

Description : Chemical name of 'alum' is (A) Barium sulphate (B) Aluminium sulphate (C) Aluminium chloride (D) Calcium sulphate

Last Answer : (B) Aluminium sulphate

Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

Description : Which of the following metals is present in chlorophyll? (1) Beryllium (2) Magnesium (3) Calcium (4) Barium

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Why Be and Mg do not impart colour to the flame ?

Description : Why Be and Mg do not impart colour to the flame ?

Last Answer : Ans : The electrons in beryllium and magnesium are too strongly bound to get excited by flame. Hence, these elements do not impart any colour to the flame.

Why Be and Mg do not impart colour to the flame ?

Description : Why Be and Mg do not impart colour to the flame ? 

Last Answer : The electrons in beryllium and magnesium are too strongly bound to get excited by flame. Hence, these elements do not impart any colour to the flame. 

In a flame test the presence of calcium would cause what color flame?

Description : In a flame test the presence of calcium would cause what color flame?

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A colorless salt gives violet colour to Bunsen flame and also turns moisture litmus paper blue. It is :

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Last Answer : Need answer

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Description : Which metal salt gives lilac colour to the flame?

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Who first imparted a mass character to the Indian National Congress? -Do You Know?

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Foundation training to the newly recruited IAS (Probationers) is imparted by: (1) Indian Institute of Public Administration (2) Administrative Staff College of India (3) L.B.S. National Academy of Administration (4) Centre for Advanced Studies

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When a low input voltage is imparted to a device which then delivers a high output voltage, the device is known as a _____________. A. primary transformer B. secondary transformer C. stepdown transformer D. stepup transformer

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Non-metallic character increases from (1) Magnesium to Barium (2) Potassium to Cesium (3) Oxygen to Selenium (4) Sodium to Chlorine

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