On heating iron fillings with concentrated sulphuric acid a gas evolves which turns a) Lime water milky b) Reddish brown when exposed to air c) Lead acetate black d) Acidified potassium dichromate green

Q: Is phosphat and phosphoric acid the same? Or are they two different things?

A: Phosphate: It is a chemical derivative of phosphoric acid. Its chemical formula is (PO4)-3. Its…

Q: Is phosphate and phosphoric acid the same thing? Or are they different?

A: If phosphate and phosphoric acid the same thing or different is to be explained.

Q: Why does sulfuric acid not dissolve copper, but nitric acid does?

A: The species with a higher oxidation potential easily dissolves in the solvent that has a higher…

Q: Explain how the oxidation state of group 17 elements affect the acidic strength of their compound

A: The oxidation states of the halogens vary from -1 to +7.  In the Long form of periodic table, the…

Q: what happens when lead sulphide is heated in the presence of air?

A: When lead sulphide is heated in presence of air i.e in presence of oxygen, it produces lead oxide…

Q: 17. Classify Carbon Dioxide (CO2)

A:

Q: Carbon dioxide and limewater produced this color of precipitate * O white O violet O yellow O green

A: Limewater is solution of calcium hydroxide Ca(OH)2. Calcium hydroxide react with CO2 to give…

Q: What are the oxidation numbers of the elements in the nitrite ion?

A: The formula for nitrite ion is NO2-.

Q: What type of oxide ore is formed when nonmetals combine with oxygen?

A: Non-metal reacts with oxygen to form oxide which is a nonmetallic oxide.

Q: The metal ions of analytical group IIA are precipitated as Select one: O a. Halides O b. Hydroxides…

A: Metal precipitate depand group reagent of group

Q: 1. Chemical reduction of zinc oxides in the presence of reduced carbon 2. Formation of anorthite…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: 7. Description “White amorphous powder, absorbs air carbon dioxide. Practically insoluble in water,…

A: There are two types of solids on basis of the crystallinity of the substance-  1- Crystalline solids…

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

A:

Q: can you proivde explaination on consequences of sulfer mangment :  1.    It can irritate the eyes.…

A: 1. sulphur dioxide gas released during sulphur management cause irritation in eyes, as it cause…

Q: Complete and balance the following acid-base equations:(a) HCl gas reacts with solid Ca(OH)2(s).(b)…

A: a.

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

A:

Q: Which of the following best describes why magnesium hydroxide, found in milk of magnesia, is soluble…

A: magnesium hydroxide, found in milk of magnesia, is soluble in acidic solution because : According to…

Q: Discuss how the concentration of Ca2+ ions, that are in equilibrium with calcite changes upon…

A: The solubility of calcite and aragonite in carbonic acid has been determined over a CO2…

Q: What is the redox reaction of hypochlorite if titrated with sodium thiosulfate?

A: Redox reaction: It is a kind of reaction in which one species is oxidized and while the other is…

Q: When hydrogen sulfide gas is bubbled through a solution of lead (II) nitrate a black precipitate of…

A: A balanced chemical equation states that the number of elements in the reactant side is equal to the…

Q: All alkali metals and akaline earth metals are strong reducing agents and could be oxidized by…

A: Alkali metals react with water to form metal hydroxide and hydrogen gas. M(s) + 2H2O(l) ->…

Q: Write a balanced chemical equation showing how each of the following metal oxides is dissolved by…

A: The balanced chemical equation can be defined as the reaction having an equal number of atoms…

Q: What is the net ionic equation for the reaction between CoCl2 and an alkali hydroxide?

A: The net ionic equation is a chemical equation in which only species are mentioned which participate…

Q: Write equation for the reaction of: (i) Iron with steam(ii) Calcium and potassium with water

A:

Q: ry rock 6. What type of sedimentary rock is fossiliferous limeston A. Clastic sedimentary rock B.…

A: 1) Clastic sedimentary rocks are rocks composed of fragments or clasts of pre - existing mineral and…

Q: 16 - Which of the following is not correct for Limestone? A) Lime production is obtained in 2 ways…

A: A multiple choice question based on limestone, which is to be accomplished.

Q: Provide the equation for the reaction of silver halide and ammonium hydroxide.

A: The reaction of silver halide and ammonium hydroxide is given as follows-  AgX + 2 NH4OH --->…

Q: magnesium sulfide + phosphoric acid balanced equation

A: Balanced the given equation --

Q: Which of the following is the source of common salt?   A.  BauxiteB.  PyriteC.  CalciteD.  Halite

A: Common salt is Sodium chloride.  It is also known as table salt or rock salt.  NaCl is the chemical…

Q: Suppose you discovered a diamond completely encased in a silicate rock. How would you chemically…

A:

Q: Why does the fracking chemical Acetic Acid prevent precipitation of iron?

A: Fe3+(aq) is precipitated as Fe(OH)3 under basic conditions.  The equilibrium reaction for the…

Q: Name three common forms in which metals occur is nature. Explain the interaction between metals and…

A: The three common forms is which metals occur in nature are given as, 1. Sulphide form – copper…

Q: True or False Arsenic sulfide is basic in nature.

A: To answer: Arsenic sulfide is basic in nature.True or False

Q: Sodium carbonate in a Aqueous solution, reacts with iron hydroxide soild: Predict products and write…

A: The reactants are sodium carbonate [Na2CO3] and iron hydroxide [Fe(OH)2]. Chemical equation is the…

Q: The presence of phosphorus forms this color of precipitate O white violet O yellow O green

A: generally, phosphate salts are insoluble in water and precipitated

Q: Metal oxides form acids with water.  a. True b. False   Metals react with halides to form salts.…

A:

Q: Which of the following statements is incorrect? a. Metals react with oxygen in the air to metal…

A: Identifying the the incorrect statement: a) Metals react with oxygen in the air to metal oxide.…

Q: Give some chemical properties of ferric hydroxide

A:

Q: Name the gas evolved : When dil. sulphuric acid reacts with sodium sulphite.

A:

Q: Write a balanced equation for the reaction of ammonia with  a. Cu+2 b. H+ c. Al+3

A: In ammonia (NH3) nitrogen has lone pair of electrons. So ammonia act as Lewis base. a. Ammonia…

Q: Ammonia is added when preparing calcium ?oxalate. Why

A: Interpretation -  To tell about why ammonia is added to preparing calcium oxalate -…

Q: olid cuprous sulfide is oxidized by hot concentrated nitric acid forming cupric salt, and nitrogen…

A: Answer  Pridict  the product and balance redox reaction  In balance…

Q: Chemically rust is(a) Hydrated ferrous oxide (b) hydrated ferric oxide (c) only ferric oxide(d) none…

A: INTRODUCTION: Rust is defined as an iron oxide which is reddish brown oxide formed by reaction of…

Q: concrete

A: Cement, as it is commonly known, is a mixture of compounds made by burning limestone and clay…

Q: Write chemical equations for the preparation of sols :(a) Gold sol by reduction.(b) hydrated ferric…

A: Given preparations, (a) Gold sol by reduction.(b) hydrated ferric oxide sol by hydrolysis

Q: Write a summary about the metal calcuim phosphate is derived.

A: Calcium phosphates are strong white nutrients and are found in many living things, e.g., mineral…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.