What ions turns litmus red? What ions turns litmus blue?

Q: What happens when a pressure greater than the atmospheric pressure is applied to pure water or a…

A:

Q: Why do red blood cells swell up and burst when placed in pure water?

A: A red blood cell will swell and undergo hemolysis.

Q: How many Na+ ions are in a mole of Na2SO4? How many SO4 2-ions?

A: A substance composed two or more elements bonded together via chemical bonds is known as a compound.…

Q: At high concentration which oxides are poisonous?

A: The major contributors of the air pollution are nitrogen oxides. They have role in the formation of…

Q: Which of the following is the reason why water freezes?

A: The correct answer is option C. Its temperature is decreased.

Q: What is insensible water?

A: Water is one of the most important compound needed for the survival of life on earth.

Q: Why does blood cell become clear in distilled water?

A: There is a semi-permeable membrane which decides the entry and exit of the molecules from the cell,…

Q: What is Ionization?

A: An ion is defined as a molecule or atom that has gained or lost one or more of its valence…

Q: What is the isoelectric point of AA? [Select]

A: Isoelectric point (pI) of amino acid: Isoelectric point is the pH at which amino acid shows no…

Q: What does Sodium bicarbonate do in water softening?

A: Sodium carbonate softens hard water. Hard water contains high amount of dissolved calcium and…

Q: What happens when a strong acid such as HBr is dissolved in water?

A: An acid is a molecule that releases hydrogen ions in a solution and when the solution is of water,…

Q: Which solution is more acidic, one with a pH of 4 or a pH of 5? What is the concentration of H+ ions…

A: The pH is the power of Hydrogen and is used as a measure of the acidic or basic character of a…

Q: How does Valium work?

A: A tranquilizer is a drug that is used for the treatment of anxiety, tension, agitation, etc. Valium…

Q: Ordinary table salt is sodium chloride. What is baking soda?

A: Baking soda is chemically sodium bicarbonate. Its chemical formula is NaHCO3

Q: Which is the stronger acid, ethanol or phenol?

A: An acid is a substance which is sour in taste and releases hydrogen ions when dissolved in an…

Q: Describe ionization and distinguish between anions and cations.

A: Ion, is any atom or group of atoms with electric charges positive or negative.

Q: Why does the addition of acid have so much less of an effect on the pH of blood than it does on the…

A: Blood has a pH of around 7.4 to 7.6. The pH of the water is around 7.0. Blood is composed of red…

Q: What factors can make a compound called as a salt? Specifywhich of the following compounds are…

A: An ionic compound made up of cation from the base wheras an anion from the acid are the factors that…

Q: How does an electrolyte differ from a nonelectrolyte?

A: Electrolytes and nonelectrolytes are classified on the basis of conductive nature ( ability to…

Q: Which of the following is the weakest acid? Select one: O a. pka=4.02 O b. pka=4.76 O c. pka=3.55 O…

A: The stronger the acid and the weaker the base will be, the bigger the value of Ka. The base will be…

Q: What does pH measure?

A: pH is defined as a measuring scale used to measure the two nature of solution as acidic and basic.…

Q: 46

A: Ions are the species that are marked with some kind of charge. The charge can be either a positive…

Q: What Are Buffers, and What Do They Do?

A: Buffers : A buffer is a solution of a weak acid and its conjugate base that has the ability to…

Q: Does the ph of NaOH increase, decrease, or have no change when added to water?

A: The term pH refers to the hydrogen potential. It decides whether a solution is acidic or basic. The…

Q: Why are people on a high-protein diet instructed to drink lots of water?

A: Protein is an essential nutrient as it helps in building muscle mass. The proteins are large…

Q: Why does a lower salinity of water increase the solubility of gas?

A: Factors which influence the  solubility of a gas in water are as follows:  Temperature decreases…

Q: What is the effect of pressure on a liquid’s boiling point?

A: The boiling point is considered as the temperature at which the vapor pressure of the liquid becomes…

Q: A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion…

A: Given Values: [H+] = 0.01 Mol/L = 1×10-2 M pH is a measure of negative logarithm of hydrogen ion…

Q: How does a positive ion form? How does a negative ion form?

A: The formation of the positive and negative ions.

Q: It takes 175ml of 0.75 M H2SO4   to completely neutralize 285 ml of NaOH.  What is the concentration…

A: Neutralization is a chemical reaction in which acid and a base react quantitatively with each other.

Q: How is pH defined?

A: Acidity is the measure of the amount of free hydrogen ions in a solution. It is measured on the…

Q: Should I add acid to water or water to acid?

A: When u mix acid(especially strong acid) and water,it makes a huge difference whether you are adding…

Q: Name the inorganic substances common in body fluids

A: Compounds, which are associated with life and life processes, depend on carbon (C) atoms. These are…

Q: What is substance P?

A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group…

Q: Which are the Trace Elements: Less than 0.01% of Total Atoms in the Body?

A: On Earth, 92 elements are found in their native state. Only 11 of these elements are present in…

Q: How do you think fluorocitrate can be formed?

A: Fluorocitrate is the fluorinated carboxylate ion that is derived from citric acid by substitution of…

Q: What is concentration?

A: In biology, we measure some of substances. Also, perform various tests where we prepare various…

Q: How can an ion-exchange column separate both anions and cations

A: Ion exchange chromatography is applicable for the separation of charged molecules. In this…

Q: How do you convert ml to liquid volume?

A: Liquid volume is the volume of the liquid or the space inside of the container or how much liquid a…

Q: What distinguishes a weak acid from a strong acid?

A: Base and acid both interact with each other and form salt and water. They both are used in everyday…

Q: A 1–fluid ounce (29.573 mL) solution contains 4.5 grains (291.60 mg) of silver nitrate. How much…

A: Isotonicity of nasal fluid is similar to 7 % of sodium chloride, NaCl.7% of NaCl means 7 grams of…

Q: What compounds tend to be non-electrolytes? What are the exceptions?

A: A substance that dissolves in water is classified according to whether they yield molecules or ions…