Description : If a pH of a solution is 7.6, what is the pOH?
Last Answer : The pOH is 6,4.
Description : If the pH of a solution is 10.7, what would the pOH be?
Last Answer : 3.3 (apex)
Description : If some solution has pH=5.5 then what will be its poH?
Last Answer : PH=5.5 PoH=? We know that PH+poH=14 5.5+poH=14 poH=14-5.5=8.5
Description : What is the pOH of a solution with [OH-] = 1.4 x 10-13?
Last Answer : 12.85
Description : From separate solution of four sodium salt NaW, Nax, NaY and NaZ had pH 7.0 , 9.0 , 10 . 0 and 11.0 respectively , when each solution was 0.1 M , the
Last Answer : From separate solution of four sodium salt NaW, Nax, NaY and NaZ had pH 7.0 , 9.0 , 10 . 0 and 11.0 ... acid is :- A. HW B. HX C. HY D. HZ
Description : What is the pH of a solution with H3O plus 1 x 10-9 M?
Last Answer : Need answer
Description : A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4
Last Answer : Answer : C
Description : If a solution turns blue litmus red, its pH is likely to be : (1) 7 (2) 8 (3) 9 (4) 6
Last Answer : (4) 6 Explanation: An acidic solution turns blue litmus red. On the pH scale, acids have values less than 7, whereas bases have values greater than 7. Solutions with pH equal to 7 are neutral in nature. Therefore the pH of the given solution is likely to be 6.
Description : A solution turns blue litmus red, its pH is likely to be - (1) 11 (2) 9 (3) 5 (4) 10
Last Answer : (3) 5 Explanation: If the litmus paper turns red, it indicates the presence of an acid while if it turns blue, it indicates the presence of a base.
Description : which. orange juice is a solution that contains citric acid, which gives orange juice an approximate pH of 3.5. Which substance is more acidic than orange juice?
Last Answer : battery acid with a pH of 0.8
Description : Number of equivalents of HCl present in 100 mL of its solution whose pH is 4:
Last Answer : Number of equivalents of HCl present in 100 mL of its solution whose pH is 4: A. `10^(-4)` B. `10^(-3)` C. `10^(-2)` D. `10^(-5)`
Description : An aquoeous solution twice alkaline as water, The pH of the solution is near to
Last Answer : An aquoeous solution twice alkaline as water, The pH of the solution is near to A. 6.7 B. 6.4 C. 7.3 D. 7.6
Description : The `pH` of a solution increased from `3` to `6`. Its `[H^(o+)]` will be
Last Answer : The `pH` of a solution increased from `3` to `6`. Its `[H^(o+)]` will be A. Reduced ... . Doubled C. Reduced by 1000 times D. Increased by 1000 times
Description : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ?
Last Answer : Which of the following compounds when dissolved in water, gives a solution with pH less than seven ? A. `CH_(3)COCH_( ... (5)NH_(2)` D. `C_(2)H_(5)OH`
Description : When `O_(3)` is passed through an aqueous solution of KI, the pH of the resulting solution is
Last Answer : When `O_(3)` is passed through an aqueous solution of KI, the pH of the resulting solution is A. 7 B. `6.8` C. `2.8` D. 43752
Description : What is the colour of carbon dioxide solution on a pH scale?
Description : What do we call substances that change colour depending on the pH of the solution they are?
Last Answer : yes well you dont have to pay at all
Description : What is the pH value and colour of paper of ammonia solution?
Description : What type of solution has a pH of 7 Acid basic or neutral?
Last Answer : What is the answer ?
Description : What are the advantages and disadvantages of measuring pH of lemon juice with indicator solution?
Last Answer : kkjhkvgbvbbhhh
Description : What is a solution considered to be if it has pH lower than7?
Description : What is the pH of a solution with H plus 7.0 Times 10-7?
Description : What is the ph of saline solution?
Last Answer : No specific pH
Description : How do test the ph of salt solution?
Last Answer : acidic, neutral, or basic. Salts that form from a strong acid and a weak base are acid salts, like ammonium chloride
Description : What is the pH of a solution with [H+] = 7.0 x 10-2?
Last Answer : 1.15
Description : In a solution containing phosphate buffer, the pH will be 7.4, if the ratio of monohydrogen phosphate : dihydrogen phosphate is (A) 4 : 1 (B) 5 : 1 (C) 10 : 1 (D) 20 : 1
Last Answer : Answer : A
Description : In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L
Last Answer : Answer : B
Description : Which of the following is not true regarding enzymes? (A) They catalyze only a particular type of reaction (B) They remain active even after separation from the source (C) They are destroyed ... They are irreversibly destroyed at high temperature (E) Their activity depends on the pH of the solution
Description : Enzymes activity is controlled by (A) pH of the solution (B) Temperature (C) Concentration of the enzyme (D) Concentration of the substrate (E) All of these
Description : If all the enzymes, intermediates and cofactors of the citric acid cycle as well as an excess of the starting substrate acetylCoA are present and functional in an organelle free solution at the appropriate ... oxygen (B) Half life of enzyme (C) Turnover of intermediates (D) Reduction of cofactors
Last Answer : Answer : D
Description : At neutral pH, a mixture of amino acids in solution would be predominantly: (A) Dipolar ions (B) Nonpolar molecules (C) Positive and monovalent (D) Hydrophobic
Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions
Last Answer : What does Thermodynamics helps in predicting ?
Description : The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4
Last Answer : Ans:(a)
Description : The pulmonary ventilation frequency (number of inhalations per time unit) rises or lowers the carbon dioxide concentration in blood. If it is intense the gas is more eliminated to the exterior and if it ... carbon dioxide and also of more hydrogen ions spending and the pH of the solution is raised.
Last Answer : What are acidosis and alkalosis?
Description : The apparatus used to test acidity of aqueous solution is - (1) pH meter (2) Ammeter (3) Hygrometer (4) Acidmeter
Last Answer : (1) pH meter Explanation: A pH meter is an electronic device used for measuring the pH (acidity or alkalinity) of a liquid. A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading.
Description : The pH of a neutral solution is - (1) 0-7 (2) 7 (3) 7-14 (4) None of the above
Last Answer : (2) 7 Explanation: The pH of a neutral solution is 7. Values less than 7 on the pH scale represent an acidic solution. As the pH value increases from 7 to 14, the solution turns more basic.
Description : pH value generally starts from O and ends at 14. Neutral solution have?
Last Answer : pH 7
Description : Solution which resists changes in pH caused by the addition of acid or alkali?
Last Answer : Buffer solution
Description : .Which of the following statements is correct about an aqueous solution of an acid and of a base? (i) Higher the pH, stronger the acid (ii) Higher the pH, weaker the acid (iii) Lower the pH, stronger the base (iv) Lower the pH, ... (i) and (iii) (b) (ii) and (iii (c) (i) and (iv) (d) (ii) and (iv)
Last Answer : (d) (ii) and (iv)
Description : The isoelectric point of a protein is (a) the pH at which the protein molecule has no charges on its surface. (b) the pH at which a protein in solution has an equal number of positive and negative charges. (c) the electric charge under isothermal conditions. (b) None of these
Last Answer : the pH at which a protein in solution has an equal number of positive and negative charges
Description : Which of the following is correct for an amino acid solution when it is in the acidic form? (a) pH > pKa (b) pH < pKa (c) zwitterionic (d) pH = 7
Last Answer : pH < pKa
Description : Pick up the incorrect statement from the following: (A) The pH value of water indicates the logarithm of reciprocal of hydrogen ion concentration in water (B) Higher value of pH ... value of pH means higher hydrogen ion contraction (D) Lower value of pH gives alkaline solution
Last Answer : (D) Lower value of pH gives alkaline solution
Description : How we can measure PH of a solution?
Last Answer : The PH can be measure with universal indicator or PH paper. A universal indicator paper has a mixture of several dyes coated on it. It shows different colours for each PH values.
Description : When sulfuric acid, a strong acid, is added to water, the pH of the solution a. Goes Up. b. Remains The Same. c. Goes Down. d. Cannot Be Determined.
Last Answer : c. Goes Down.
Description : Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution (A) A1is more alkaline than solution A2 (B) A1is highly acidic (C) A2is very slightly acidic (D) Both (B) & (C)
Last Answer : (D) Both (B) & (C)
Description : The concentration of (H+) ions is 4 x 10-5in a solution. Then pH of the solution will be (Given log 4 = 0.6) (A) 4.4 (B) 5.6 (C) 8.4 (D) 2.4
Last Answer : (A) 4.4
Description : A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution. (A) Neutral (B) Ideal (C) Buffer (D) Zero pH
Last Answer : Option C
Description : On opening the soda water bottle the dissolved CO2 comes out, would the pH of the solution increase or decrease as the gas comes out? Give reason.
Last Answer : Answer. The pH of soda water increases. Because soda contains carbonic acid which is the weak one. When CO2 escape the carbonic acid’s strength weakens and therefore pH would increases.
Description : What is sum of pH &poH in any solution?
Last Answer : Ans: PH + poH = 14