What is the formula for Lithium Peroxide?

What is the formula for Lithium Peroxide?  
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1 Answer

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ANSWER: Li2O2
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What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

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Last Answer : (1) Sodium Carbonate Explanation: When sodium bicarbonate is strongly heated, it decomposes into sodium carbonate, water vapor, and carbon dioxide. Solid sodium carbonate is a white powder and is used in ... name 'baking powder'; sodium bicarbonate is used in baking under the name 'baking soda'.

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Lead pencil contains - (1) Lead nitrate (2) Graphite (3) Lead peroxide (4) Lead Sulphate

Description : Lead pencil contains - (1) Lead nitrate (2) Graphite (3) Lead peroxide (4) Lead Sulphate

Last Answer : (2) Graphite Explanation: Most pencil cores are made of graphite mixed with a clay binder which leaves grey or black marks that can be easily erased.

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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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Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride

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Last Answer : (4) Sodium chloride Explanation: Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction. Antiseptics are generally ... the body, and from disinfectants, which destroy microorganisms found on non-living objects.

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Last Answer : (2) Nickel and cadmium Explanation: A rechargeable battery, storage battery, or accumulator is a type of electrical battery. It comprises one or more electrochemical cells, and is a ... sizes, ranging from button cells to megawatt systems connected to stabilize an electrical distribution network.

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Last Answer : Ans a) The storage and transportation of liquid hydrogen as a fuel is hydrogen economy b)Those cells in which the energy of combustion is converted into electricity are called fuel cells e g-H2-O2 fuel cell c)In bleaching, as antiseptic ,as oxidizing and reducing agent.

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Explain the disproportionation nature of decomposition of Hydrogen peroxide?

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Last Answer : Sulfur.

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Last Answer : Resonance

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Last Answer : A secondary alkyl bromide

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Propene reacts with HBr in the presence of a peroxide to give (a) n-Propyl bromide (b) Allyl bromide (c) Isopropyl bromide (d) Vinyl bromide

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What is the reason for the increasing stability of peroxide & superoxide of alkali metals down the group?

Description : What is the reason for the increasing stability of peroxide & superoxide of alkali metals down the group? 

Last Answer : On combustion in excess of air, lithium forms mainly the oxide, Li2O (plus some peroxide Li2O2), sodium forms the peroxide, Na2O2 (and some superoxide NaO2) whilst potassium, rubidium and ... are also paramagnetic. Sodium peroxide is widely used as an oxidising agent in inorganic chemistry.  

Peroxides such as hydrogen peroxide and benzoyl peroxide are commonly used in small quantities in over-the-counter preparations such as antiseptics and acne creams. What hazard do peroxides present in higher concentrations? w) explosive x) strongly acidic y) strongly basic z) there is no hazard

Description : Peroxides such as hydrogen peroxide and benzoyl peroxide are commonly used in small quantities in over-the-counter preparations such as antiseptics and acne creams. What hazard do peroxides present in higher concentrations? w) explosive x) strongly acidic y) strongly basic z) there is no hazard

Last Answer : ANSWER: W -- EXPLOSIVE

Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Description : Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Last Answer : ANSWER: W -- SODIUM PEROXIDE

Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

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Which one of the following is commonly used for pulp bleaching in the paper industry? (1) Mild sulphuric acid (2) Glucose isomerase (3) Hydrogen peroxide (4) Iodine and water

Description : Which one of the following is commonly used for pulp bleaching in the paper industry? (1) Mild sulphuric acid (2) Glucose isomerase (3) Hydrogen peroxide (4) Iodine and water

Last Answer :  Hydrogen peroxide

What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : Sodium Carbonate

Bayer’s reagent is (1) Alkaline potassium permanganate (2) Acidified potassium permanganate (3) Hydrogen peroxide (4) Bromine water

Description : Bayer’s reagent is (1) Alkaline potassium permanganate (2) Acidified potassium permanganate (3) Hydrogen peroxide (4) Bromine water

Last Answer : Alkaline potassium permanganate

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

Description : Which one of the following is used to restore the colour of old oilpaintings ? (1) Ozone (2) Hydrogen peroxide (3) Barium peroxide (4) Sodium peroxide

Last Answer : Hydrogen peroxide

Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride

Description : Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride

Last Answer : Sodium chloride

Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Description : Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Last Answer : Nickel and cadmium

Which among the following is a carbohydrate ? (1) Nylon (2) Cane-sugar (3) Turpentine (4) Hydrogen peroxide

Description : Which among the following is a carbohydrate ? (1) Nylon (2) Cane-sugar (3) Turpentine (4) Hydrogen peroxide

Last Answer : Cane-sugar 

What is the physical condition of lithium ?

Description : What is the physical condition of lithium ?

Last Answer : Silver white metal.

What is the solubility of lithium ?

Description : What is the solubility of lithium ?

Last Answer : Lithium has one.

What is the boiling point of lithium ?

Description : What is the boiling point of lithium ?

Last Answer : Lithium has a boiling point of 1340 degrees Celsius.

What is the melting point of lithium ?

Description : What is the melting point of lithium ?

Last Answer : Lithium has a melting point of 179 degrees Celsius.

What is the relative atomic mass of lithium ?

Description : What is the relative atomic mass of lithium ?

Last Answer : The relative atomic mass of lithium is seven.

What are the advantages and disadvantages of LED storage cell and lithium ion batteries ?

Description : What are the advantages and disadvantages of LED storage cell and lithium ion batteries ?

Last Answer : Although both cells are rechargeable, lithium ion batteries have higher recharge efficiency. Due to this its use as an alternative to commercial led storage cell is increasing. Light Li / C anode and ... LiOH and H2, gases that are dangerous. LIB costs more than Ni-Cd rechargeable batteries .

What is Lithium Ion Battery ( LIB) ?

Description : What is Lithium Ion Battery ( LIB) ?

Last Answer : Lithium-ion battery ( LIB) is a rechargeable battery. In this the Li + ion is transferred from the anode to the cathode during discharge and the same Li + ion from the cathode to the ... added ( Li +) graphite rod anode. Nowadays, its efficiency in applying nanotechnology has been greatly enhanced.

What is the symbol of lithium ?

Description : What is the symbol of lithium ?

Last Answer : Lithium symbolizes Li

What is the sign of lithium ?

Description : What is the sign of lithium ?

Last Answer : : Likhiam's signal Li.

The element with highest first ionization energy is - (1) hydrogen (2) helium (3) lithium (4) sodium

Description : The element with highest first ionization energy is - (1) hydrogen (2) helium (3) lithium (4) sodium

Last Answer : (2) helium Explanation: The first ionisation energy is the energy required to remove the most loosely held electron from one mole of gaseous atoms to produce 1 mole of gaseous ions each with a charge of ... ) of Hydrogen: around 1200: Helium: about 2500; Lithium: about 500; and Sodium: about 500.

Which one of the following metals does not react with water to produce Hydrogen? (1) Cadmium (2) Lithium (3) Potassium (4) Sodium

Description : Which one of the following metals does not react with water to produce Hydrogen? (1) Cadmium (2) Lithium (3) Potassium (4) Sodium

Last Answer : (1) Cadmium Explanation: A cadmium metal does not react with water to produce Hydrogen.

Which one of the following is the softest (1) sodium (2) iron (3) aluminium (4) lithium

Description : Which one of the following is the softest (1) sodium (2) iron (3) aluminium (4) lithium

Last Answer : (1) sodium Explanation: lightest-lithium, heaviestosmium, hardest-tungsten, soft metal- sodium.

Which of the following metal has the lowest melting point? (1) Lead (2) Lithium (3) Potassium (4) Sodium

Description : Which of the following metal has the lowest melting point? (1) Lead (2) Lithium (3) Potassium (4) Sodium

Last Answer : (3) Potassium Explanation: Here, Potassium has the lowest melting point in the given options i.e. 63.5° C. Helium has the lowest melting point of -272.2° C.

Which one of the following elements exhibits the greatest tendency to lose electrons? (1) Fluorine (2) Lithium (3) Oxygen (4) Zine

Description : Which one of the following elements exhibits the greatest tendency to lose electrons? (1) Fluorine (2) Lithium (3) Oxygen (4) Zine

Last Answer : (2) Lithium Explanation: Alkali metals such as Lithium are the most electropositive elements in the periodic table. As alkali metals have low ionization energies, they have a great tendency to lose electrons forming unipositive ions.

Which one of the following metals does not react with water to produce Hydrogen ? (1) Potassium (2) Cadmium (3) Sodium (4) Lithium

Description : Which one of the following metals does not react with water to produce Hydrogen ? (1) Potassium (2) Cadmium (3) Sodium (4) Lithium

Last Answer : (2) Cadmium Explanation: Cadmium is a soft, malleable, ductile, bluish-white divalent metal. It is similar in many respects to zinc but forms complex compounds. Unlike other metals, cadmium is ... occurs as a minor component in most zinc ores and therefore is a byproduct of zinc production.