1. Based on the balanced chemical equation for the preparation of malachite, what is the composition of the bubbles formed when sodium carbonate is added to the solution of copper sulfate?

Q: what is the chemical and physical properties of oxalic acid?

A:

Q: Can an inorganic compound have more than one form of hydrate?

A: Some chemical compounds on crystallization from water solution produce a crystal that contains water…

Q: Name the sodium compound which is used for softening hard water.

A: Sodium carbonate is called as washing soda.  It was removed the temporary and permanent hardness…

Q: Would a solution of ethanol conduct electricity?

A: ethanol is a weak electrolyte that feebly dissociate in a solution or we can say that it remains as…

Q: how can you use the physical properties of melting solubility and conductivity to classify ionic and…

A: Ionic compounds have high melting point due to strong intermolecular force of attraction between the…

Q: Why are lithium compounds soluble in organic solvents?

A:

Q: (a) Write the molecular formula of acetaminophen (see     Fig. 7.34b).(b) A tablet of Extra Strength…

A: Given information: Mass of tablet = 500 mg

Q: Write the chemical equation involved in the preparation of sodium hydroxide. Name the process ?

A: Given preparation,            Sodium hydroxide preparation.

Q: 1. What comprises the Group II Anions? 2. Why is 3M HCl added to the precipitate in Group II anions?

A: Anion analysis identify the anions which are present in the sample (i.e. qualitative analysis) and…

Q: What formulas is the active ingredient of Milk of Magnesia

A: The active ingredient in Milk of Magnesia is Magnesium hydroxide.

Q: By fully describing the nature of each solid including a diagram for each, explain why solid HCl…

A: Melting point of a solid is quite dependent on the nature of the force between the atoms in a…

Q: A. Write the complete electron configuration for Cl- ion. B. What element is the electron…

A: A. Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: What mass of NaHCO3 must decompose to produce 448 grams of Na2CO3?

A: The balanced equation for the decomposition of NaHCO3 is: 2NaHCO3→Na2CO3+H2O+CO2

Q: Analysis of nitrogen present in organic materials could be analyzed by converting nitrogen to…

A: Analysis of nitrogen present in organic materials could be analyzed by converting nitrogen to ??

Q: Draw a structural formula for   salt. Q.) Disodium adipate

A:

Q: What are the reagents used to precipitate the alkaline-earth group.

A: Alkaline earth metals are group second metals mainly contain Beryllium Be, Magnesium Mg, Calcium Ca,…

Q: Where on the periodic table would you expect to find another element that could be used as an…

A: Answer -  n-type materials are generally differentiated using hot-point probes. This laboratory…

Q: Why does Magnesium oxide has the highest melting and boiling point?

A: The temperature which is required to convert a substance in the liquid state to vapor form is called…

Q: Use equivalent weights to calculate 81.00 mg/L calcium carbonate (CaCO3) in terms of mg/L as…

A: Equvalent wt=molecular wt/valency

Q: How is manganous ion identified? What is the reaction involved?

A: Manganese is a chemical element having an atomic number 25. It is a transition metal. The atomic…

Q: the reaction

A: Bismuth is the metal that belongs to group 15 in the periodic table. It has the atomic number 83 and…

Q: Mention the constituent of paint and explain the function of the various constituent

A: Constituent of Paints Are as follows:- 1- Pigment 2-Solvent 3-Binder Solids 4-Binder Solvent…

Q: (10) You have 4 powdered samples, A, B, C, & D. One sample contains fullerenes, C16 to C70. Another…

A: Samples A= Fullerenes+ C16 to C70B = Nano diamondC = C60+carbon nanotubesD = graphite+ graphene

Q: what is the chemical formula for disodium ammonium phosphate ?

A: SOLUTION Valency of sodium (Na) is +1. Valency of ammonium ion (NH4 + ) is +1. Valency of phosphate…

Q: Write the chemical equation for ammonium carbonate and sodium hydroxide yield  sodium carbonate,…

A: One mole of ammonium carbonate reacts with two moles of sodium hydroxide to produce one mole of…

Q: write a balanced equation to show the formation of gas bubbles when cobalt react with hydrochloric…

A: Redox reaction Oxidation reaction occurs when there is a loss of electron while a reduction reaction…

Q: 84. The Handbook of Chemistry and Physics is a reference work that contains a wealth of infor-…

A: The formula, crystalline form or color , density, melting point and boiling point of the given…

Q: Which of the following observations give evidence that a crystal is a hydrate? One or more answers…

A: Solutions- Crystals are hydrated because water molecule in present inside the crystal.

Q: in terms of molecules, why do you think water can remove the stickiness of the orange?

A: Introduction: Atoms are held together in a molecule because of some attractive and repulsive forces.…

Q: Give formula for the compound Copper (I) thiosulfate

A: Interpretation: The formula for the compound Copper(I) thiosulfate is to be provided.

Q: what is the chemical formula for sodium astatide

A: The existence of atoms of a compound and its proportions is represented as its chemical formula. In…

Q: Acid rain can be formed by the reaction of water with sulfur dioxide to form sulfurous acid. Write…

A: Acid rain is caused by a chemical reaction, in which compounds like sulfur dioxide and nitrogen…

Q: How Hydrogen is synthesized in the laboratory and at an industrial level.

A: Hydrogen(H2) can be synthesized in the laboratory as well as in industries by the following methods.

Q: The structure and bonding of carbon dioxide and silicon dioxide both differ from each other. State…

A: Both silicon dioxide and carbon dioxide differ with each other in bonding and structure  silicon…

Q: all about crystal structure of NaCl

A:

Q: what are the pros and cons of lignin process for producing vanillin?

A: Answer - Lignin process - Lignin is an important organic polymer which is abundant in cell walls of…

Q: What is the use of evaporating the solution with concentrated sulfuric acid?

A: Evaporation is process by which substance convert from its liquid state to its gaseous state.

Q: Which ions are responsible for making water hard?

A: There are two types of water, based on the minerals present in the water. Hard water: Hard water…

Q: If zinc is added to Nickelic Sulfate, what is the product? If salt is reacted to a base, what will…

A: The reaction in which one element replaces other element of the reactant molecule or compound is…

Q: Write the reaction equation for the Haber process.

A: Haber process is also known as Haber Bosch process. It is a process which is used for artificial…

Q: ammonium chromate

A:

Q: Add a few drops of bromine to a test tube containing 0.5 mL of hexane.  Cover with a cork and gently…

A: Bromine (Br) + Hexane = ?

Q: MCQ 109: In nature, Magnesium Oxide (MgO) is A. acidic B. alkaline C. catalyst D. neutral

A: Magnesium is an element placed in group 2 of the periodic table. It is a metal and on combining with…

Q: What is the lithium carbonate concentration when 225 grams of Li₂CO3 is dissolved in enough…

A: Given mass of lithium carbonate (Li2CO3) = 225 g Molar mass of Li2CO3 = 73.891 g/mol  Number of…

Q: Why is nitrogen used in the decomposition of ethanal to produce methane and carbon dioxide?

A: Because nitrogen is inert gas.

Q: what substance is formed when water is added to metallic oxide? how will you prove this?

A: Metallic oxide reacts with water and gives metal hydroxide.