What is the typical concentration of oxygen in dry air?

Q: How many types of boranes does boron forms?

A: Boranes are the compounds containing boron and hydrogen atoms. These types of compounds can be…

Q: Describe the basic properties of Chlorite.

A: Silicon is the element of group-14 of the periodic table. It forms a variety of inorganic compounds…

Q: What is the oxidation number of H in NaH?

A: Given :-  Chemical formula = NaH  To determine :-  Oxidation number of H in NaH

Q: What is the process of manufacturing activated carbon?

A: Given process,    Manufacturing activated carbon

Q: The change in Oxidation number of 'Cl' in the following reaction is clO2 clO3 O 5 O 1 O 2 O 4

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Q: What are the oxidation numbers of the nitrogen atoms in nitrous acid

A: An oxidation state or oxidation number is defined as the degree of oxidation for an atom in a…

Q: How many grams of nitrogen are required to fully react with 2.79 g of hydrogen to produce ammonia?

A: Given,Hydrogen = 2.79 gMolar mass of ammonia = 17.031 g/molMolar mass of hydrogen = 1.007 g/molMolar…

Q: The concentration of nitrate in an aquifer is 20 mg / L and its volume is 10 million liters. What…

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Q: Why hydrogen sulfide needs to be removed in acetylene gas by passing through copper sulfate?

A: Preparation of acetylene:

Q: What is the oxidation number of the sulfur atom in SO2? O A) -2 O B) -4 O C) +2 O D) +4

A: the oxidation number is the number of electrons, that loses or gains by an atom. Oxygen has a…

Q: Where is phosphorus stored

A: Phosphorus has the symbol P and atomic number 15.

Q: Why ozone behaves as oxidising agent for metals and non metals?

A: Ozone is an allotropic form of oxygen.  The chemical formula of ozone is O3.Ozone acts as a powerful…

Q: what is the oxidation number of the sulfur atom in H2SO4?

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Q: Explain Removal of sulfur dioxide from a gas stream?

A: The detailed process for the removal of SO2 from a gas stream includes the following steps: (i)…

Q: Why is oxygen soluble in water?

A: Dipole-induce dipole forces are very weak and play a role in solubility of oxygen into water. The…

Q: What is the balanced reaction of magnesium with nitrogen

A: We have to write the balanced reaction of magnesium (Mg)with nitrogen(N).

Q: Discuss the environmental significance of dissolved oxygen.

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Q: 4. What is the oxidation state of oxygen in nitric acid?

A: The chemical formula of nitric acid is HNO3.

Q: Write the balanced equation for the reaction of nitrogen with hydrogen to form ammonia

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Q: When two different halogens react with each other, they form: Interstitial hydrides O lonic hydrides…

A: The products formed when two different halogens react with each other has to be explained.

Q: What is the oxidation state of nitrogen in NO2?

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Q: What is the oxidation state of oxygen in H2O2?

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Q: Describe how nitrogen can be separated from the other components of air.

A: The most common method used to separate nitrogen from air is called fractional…

Q: What are the major health concerns associated with exposure to nitrogen dioxide?

A: Nitrogen dioxide should be handled carefully. It is a dark brown to yellowish liquid. It has a…

Q: Why Sodium hydroxide and hydrogen peroxide are added to the solution of group 3 ions?

A: Group III cations consists of Al3+, Fe3+, Cr3+ and Ni2+ Out of these Cr3+ and Al3+ are soluble while…

Q: What is the oxidation number of nitrogen in NH3 ?

A: Given : formula of compound

Q: Suppose you want to produce 2.00 L of CO2 at STP using the reaction in #1. What mass of sodium…

A: The balanced equation for the reaction is : 2NaHCO3  →  Na2CO3  +  H2O  +  CO2 Given that at STP,…

Q: In which of the following does nitrogen have the lowest oxidation state? NaN * O_{2}; HN * O_{3};…

A: Oxidation state of the Nitrogen in the given compounds

Q: What is white phosphorus?

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Q: Uxygen gas reacts with nitrogen monoxide gas to produce nitrogen dioxide gas. Write a balanced…

A: Oxygen gas reacts with nitrogen monoxide gas to produce nitrogen dioxide gas.

Q: In which compound is the oxidation state of oxygen -1?(a) O2 (b) H2O (c) H2SO4 (d) H2O2 (e) KCH3COO

A: (a) The oxidation of O2 is zero. (b) The oxidation of hydrogen is +1 In water the oxidation state of…

Q: Which among the following processes is a nitrogen fixation process?         a. Production of ozone

A: Rhizobium is a symbiotic nitrogen fixing bacteria present in the root of pea family plants.

Q: What is not a common method of producing hydrogen gas? Passing electricity through water Stripping…

A: Hydrogen production is the industrial method for generating hydrogen gas.

Q: 4. Fe reacts with steam at high temperature, forming hydrogen and metal oxide 5. F reacts violently…

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Q: Comparisons are often made between nitrogen content of oil and their

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Q: describe sodium borate and its uses.

A: Sodium borate is also known as borax and it is a mineral in nature and it is found naturally.The…

Q: What are the diseases caused by sulphur dioxide?

A: The diseases caused by sulphur dioxide has to be mentioned.

Q: Name two poisonous gases which can be prepared from chlorine gas.

A: The names of two poisonous gases which can be prepared from chlorine gas are phosgene gas and…

Q: Determine the mass, in kg, of HgO that must decompose to form 70.4 LO2 gas at STP. 2H9O(s) 2Hg() +…

A: The reaction given is, => 2 HgO (s) → 2 Hg (l) + O2 (g)  Given: Volume of O2 produced at STP =…

Q: Write chemical equations for the following processes: 1. Sublimation of carbon dioxide 2.…

A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: What is the ratio between the amount of hydrogen and the amount of oxygen released during…

A: The process of decomposition of ionic compounds into their elements through the passage of electric…

Q: Ammonia gas is obtained by the reaction of nitrogen gas and hydrogen gas. Write a balanced chemical…

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Q: What is the oxidation number of nitrogen in hydrazine, N2H4?

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Q: Give an example of oxygen use in industry and medicine.

A: Oxygen is the most versatile element early in 1800 it was only a source for respiration in living…

Q: What is the oxidation state of nitrogen in NO3 ion? O A. +6 О В. +5 O C.-1 O D. +1

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