After dissolving in hydrochloric acid and adding sodium sulfide solution, the brown-black color gives the drug? A) Silver nitrate B) Iron (II) sulfate С) Bismuth nitrate basic D) Copper sulfate E) Zinc oxide

Q: Limestone is a common sedimentary rock composed of calcium carbonate (CaCO3). A limestone has…

A: Limestone is a common sedimentary rock composed of calcium carbonate (CaCO3).

Q: 7. A common reagent is used to identify zinc and copper ions? A) Sodium sulide B) Potassium…

A: We have been asked to find a common reagent to identify Zn and Cu ions.

Q: What compound is the precipitate formed in the Bromine water test?

A: ANSWER

Q: Name the following: [Fe(H2O)4Br2]CI Select one: a. iron(II)dibromotetraquachloride O b.…

A: Name of the compound contains two parts: Complex cation and anion. First name of cation is written…

Q: Match the correct structure as described. Write the letter of the correct answer.   1. Neutral -…

A:

Q: Please all solve the issue Sodium nitrate/nitrite stabilizes the red color, adds flavor, and it also…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: Write a net ionic equation for any reasonable products formed from the following salts.   Na3PO4…

A: Given that: We have to determine the net ionic equation for any reasonable products formed from the…

Q: 2. In the iodine ascorbic acid reaction, which is the reducing agent? Which species is oxidized?

A: The substance that gains electrons in the chemical reaction is said to reduced and the substance…

Q: Precipitated sulfur preparation is used as a a. scabicide b. fungicide c. keratolytic d.…

A: Scabicide- Medication used to treat scabies. It destroys the itch mite which is the cause for…

Q: Barium chloride reagent is used to confirm the authenticity of a medicinal product: A) Bismuth…

A:

Q: Give the name of a reagent that will be used to precipitate AsO43- ions as MgNH4AsO4

A: The arsenate ion, AsO43- is any compound that contains this ion. Arsenates are salts or esters of…

Q: Write a procedure explaining how to prepare a solution with a 3.45 % by weight of solid compound…

A: 3.45% by weight means 3.45 g of solute in 100 g solution. so in 100 g mass of solute is 3.45 g and…

Q: When 1.74g of unknown sample was treated with BaCl2 solution,2.399g of BaSO4 was obtained as…

A:

Q: 9. Zinc ion as an impurity in medicines is detected by reaction with a solution? A) Sodium sulfide…

A: Zinc ion is present as an impurity in medicines. It can be separated by reacting it with a solution…

Q: rite  the equations of all reactions that take place when synthesizing Iron(II) oxalate dihydrate…

A:

Q: 14

A: The substances that react with acid and bases are called amphoteric substance. Here the zinc oxide…

Q: Write chemical equations to show what happens when each of the following substances is mixed with…

A: The chemical equations involve the reactants and the products. The reactants interact with each…

Q: Chapter 37 Pharmacology Basi I. Liquid Medication Doses-Labels Do Not Match Solve the problems and…

A:

Q: Name a reagent that will form a red precipitate with Ni2 ions in a basic solution.

A: Ni compounds reacts with a reagent in basic solution to form a red precipitate.

Q: 10. In Experiment D, what is the catalyst? 11. Explain the role of a catalyst in a chemical…

A: Catalyst is a substance which increases the rate of a reaction without getting involved in the…

Q: Complete the reactions for Group I cations below and answer the questions: (Note: Balance your…

A: Balanced Equations. 1. Pb2+ + 2Cl- ------> PbCl2    (White solid) 2. Ag+ + Cl- --------> AgCl…

Q: II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na2S2O3 + I2 → Na2S4O6 + 2NaI…

A:

Q: what is for the formula for sodium dicyanobis (ozalato)ferrate(III)?

A: Coordination or complex compound, is a substance with chemical structures in which a central metal…

Q: If 23.00 mL of Cu(C2H3O2)2 is required to react with 35.00 mL Na2S solution with a concentration of…

A: Given, volume of Cu(C2H3O2)2 = 23.00 mL Volume of Na2S = 35.00 mL Molarity of Na2S = 0.450 M

Q: 3. The drug is soluble in a solution of ammonia and sodium hydroxide: A. Caffeine B. Theophylline…

A: Please find your solution below : Drugs are the chemical compounds that change the way of working of…

Q: An additive that can keep a compound, mixture, or solution from changing its form chemical nature.…

A:

Q: Which of these choices, when added to an aqueous solution of copper (II) acetate, would cause a new…

A:

Q: what ion is involved in the cleaning process?

A: pH of any solution can be expressed as the negative logarithm of concentration of hydronium ion. The…

Q: 9. Write chemical equations to show what happens when each of the following substances is mixed with…

A: Water is a universal solvent and can dissolve most of the polar compounds.

Q: Benzene (i), toluene (ii), acetonitrile(iii), and methane(iv) are among the chemical wastes…

A:

Q: During a reaction, the formation of the mirror inside the tube is due to A. silver ions B. silver…

A:

Q: Which is the strongest oxidant: Br2, Cl2, I2, Br-, Cl-, or I-? Explain.

A: Oxidizing agent is the one which remove electrons from other reactants during reactions.

Q: What is the inactive ingredient of a precipitated sulfur ointment?

A:

Q: If you were given an unknown concentration of GA(GIBRELIC ACID) describe, how could you determine…

A: Gibberellic acid or Gibberellin  is a hormone found in plants and fungi, with chemical formula,…

Q: 0) Silver chloride is soluble in ammonia because the silver ion is reduced True False into its…

A:

Q: Suppose that a metal oxide of formula M2O3 were soluble inwater. What would be the major product or…

A: Given-   Metal oxide formula- M2O3

Q: what evidence is there that the copper reduced silver ions? 2. Silver nitrate and copper 1Cu(s) +…

A: Oxidation is loss of electrons and Reduction is gain of electrons.

Q: what are the reaction of aqueous solution of Ag+.

A:

Q: Sodium tetraphenylborate is an organic precipitating agent for a. Nickel, sodium and ammonium ions.…

A:

Q: Ammonia and potassium iodide solutions are added to an aqueous solution of chromium(III) nitrate. A…

A: Given , CrO3 formed = 0.0203 g sample of compound = 0.105 g

Q: Sodium is stored in oil or kerosene because

A: Sodium  metal is stored in kerosene oil in order to prevent it from coming in contact with oxygen…

Q: These are six test tubes containing 0.1 M aqueous solutions of (in no particular order)  (view…

A: Six test tubes containing 0.1 M aqueous solution with no particular order are given NaOH Ca(NO3)2…

Q: 28. A certain vegetable dye is pink in acidic solutions, green in neutral solutions, and blue in…

A: The vegetable dye is pink in acidic solution , blue in basic solution. It is grren in neutral…

Q: ammonium carbonate + chromium (III) acetate Mol: Ionic: Net:

A:

Q: The reaction with iron (III) chloride is an authenticity reaction to: A) Acetate ion B) Citrate ion…

A: 3CH₂COONa+ FeCl3 -------->  (CH₂COO)3Fe + 3NaCl   And   (CH₂COO)3Fe + 2H₂O ------>…

Q: Predict the products and write the balanced chemical equation for the following reaction: Potassium…

A: Balanced chemical equation is

Q: If we added AgNO3 to a sample containing KI. The chemical change observed in the test is Select…

A:

Q: Astha has been collecting silver coins and copper coins. One day she observed a black Coating on…

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Q: Solutions containing calcium produce a red-orange color in flame tests. When a flame test is done on…

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Q: Question 12 Which two pigments will you mix to create green paint? O Cobalt (III) phosphate Ferric…

A: Green pigments can be made using malachite, cobalt oxide, zinc oxide, copper acetate, and artificial…