pH value less than 7 is?

pH value less than 7 is?
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Acidic in nature
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If any water contains acetic acid then its pH value is less than 7. The pH value of rain water is 5-6. Does this water contain acetic acid ?

Description : If any water contains acetic acid then its pH value is less than 7. The pH value of rain water is 5-6. Does this water contain acetic acid ?

Last Answer : Absolutely. There are different types of toxic gases in our atmosphere , such as: SO3, CO2, NO2 , etc. Produces which mixes with rain water and falls to the ground.

Pick up the correct statement from the following: A. pH value indicates acidity and alkalinity of sewage B. In acidic sewage, the pH value is less than 7 C. In alkaline sewage, the pH value is more than 7 D. All the above

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WASTE WATER Engineering Objective Questions Pdf :: Q No: 151 The pH value of fresh sewage is usually A. Equal to 7 B. More than 7 C. Less than 7 D. Equal to zero

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pH value of sludge during alkaline regression stage, is A. More than 7 B. Less than 7 C. Less than 6 D. More than 6

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Pick out the false statement pertaining to water treatment(A) Aeration of water is effective in CO2removal(B) The zeolite water softening process reduces the hardness of water by notmore than 50%(C) Sodium sulphate or sodium carbonate do not cause hardness in water(D) Water with pH value less than 7, is acidic.

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If pH value of water is (A) 7 water it is said to be neutral (B) Less than 7 it is said to be acidic(C) More than 7 it is said to be alkaline (D) All the above

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For maximum alkalinity of water, pH value should be (A) Zero (B) Less than 7 (C) More than 7 (D) 14

Description : For maximum alkalinity of water, pH value should be  (A) Zero  (B) Less than 7  (C) More than 7  (D) 14

Last Answer : (D) 14

The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form (A) Mono-chloramine (NHCl) (B) Di-chloramine (NH2Cl) (C) Nitrogen tri-chloramine (NCl3) (D) All the above

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Pick up the correct statement from the following: (A) A soil having pH value more than 7 is an acidic soil (B) A soil having pH value less than 7 is an acidic soil (C) A soil having pH value more than 7 is an alkaline soil (D) A soil containing chemicals for the manufacture of Portland cement is preferred

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As per I.S. 456 - 1978, the pH value of water shall be (A) Less than 6 (B) Equal to 6 (C) Not less than 6 (D) Equal to 7

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The PH value of water shall not less than. (a) 5.0 (b) 6.0 (c) 6.5 (d) 7.0

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Description : A rainfall may be classified as acidic if its pH value is less or equal to A. 6 B. 7 C. 5 D. 6.5

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Last Answer : Answer: (d) Bases turn pink when a drop of phenolphthalein is added to them.

The pH of lemon juice is expected to be (1) equal to 7 (2) nothing can be predicted (3) less than 7 (4) more than 7

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The pH of lemon juice is expected to be (1) equal to 7 (2) nothing can be predicted (3) less than 7 (4) more than 7

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Last Answer : less than 7

pH value more than 7 is?

Description : pH value more than 7 is?

Last Answer : Bases in nature

Lime Of the pH of the water The value 3 From More No. Less Will ?

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pH value equal to 7 is?

Description : pH value equal to 7 is?

Last Answer : Neutral solutions (eq: water)

Which of the following has pH value 7? (1) Pure Water (2) H2SO4 (3) Sodium Carbonate (4) HCl

Description : Which of the following has pH value 7? (1) Pure Water (2) H2SO4 (3) Sodium Carbonate (4) HCl

Last Answer : (1) Pure Water Explanation: In chemistry, pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. Solutions with a pH less than 7 are acidic and solutions with a pH greater than ... basic. Pure water is neutral, being neither an acid nor basic; so it has pH value of 7.

If the pH value of sewage is 7 A. It is acidic B. It is alkaline C. It is neutral D. None of these

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pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant. (A) 4-5 (B) 7-8 (C) 9-10 (D) 12-13

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Last Answer : (B) 7-8

Scale formation in boiler is controlled by (A) Preheating of feed water (B) Reduction in hardness, silica & alumina in feed water (C) Keeping the pH value of feed water just below 7 (D) Eliminating H2S in feed water

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The pH value of oxidised sewage is about (A) 1.8 (B) 6.2 (C) 7.3 (D) 13.4

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Description : The pH value of water fit for drinking, is (A) 13 (B) 11 (C) 9 (D) 7

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Last Answer : (D) All the above

PH value of drinking water as per wh0 standards should lie between a)5 and 5.5 b)6 and 7 c) 7 and 7.5 d)7 and 8.5*

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In intestine pH value is (a) pH 7.00 (b) pH 8.5-9.00 (c) pH 8.00 (d) pH 2.5-4.5

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Last Answer : (b) pH 8.5-9.00

Which of the following has pH value 7? (1) Pure Water (2) H2 SO4 (3) Sodium Carbonate (4) HCl

Description : Which of the following has pH value 7? (1) Pure Water (2) H2 SO4 (3) Sodium Carbonate (4) HCl

Last Answer :  Pure Water

pH value between 6.5-7.5 makes the soil (1) Basic (2) Neutral (3) Acidic (4) None of these

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Last Answer : None of these

The pH of gastric juice released during digestion is a) Less than seven b) More than seven c) Equal to seven d) Equal to zero

Description : The pH of gastric juice released during digestion is a) Less than seven b) More than seven c) Equal to seven d) Equal to zero

Last Answer : a) Less than seven

Which of the following compounds when dissolved in water, gives a solution with pH less than seven ?

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`

All of the following statements about uric acid are true except (A) It is a catabolite of purines (B) It is excreted by the kidneys (C) It is undissociated at pH above 5.8 (D) It is less soluble than sodium urate

Description : All of the following statements about uric acid are true except (A) It is a catabolite of purines (B) It is excreted by the kidneys (C) It is undissociated at pH above 5.8 (D) It is less soluble than sodium urate

Last Answer : Answer : C

Clay soils require: a. A longer time for absorption of irrigation water than sandy soils b. A shorter time for absorption of irrigation water than sandy soils c. About the same time for absorption of irrigation water as sandy soils d. More or less time for absorption than sandy soils, depending on the pH of the clay

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Last Answer : A longer time for absorption of irrigation water than sandy soils

Soil having pH less than 8.5 EC more than 4 and ESP less than 15 is — a. Saline soil b. Alkaline soilc. Saline Alkaline soild. None of these

Description : Soil having pH less than 8.5 EC more than 4 and ESP less than 15 is — a. Saline soil b. Alkaline soil c. Saline Alkaline soil d. None of these

Last Answer : a. Saline soil

If soil pH is higher than 7 then that soil is called alkaline. Does that mean that soil has more alkaline substance ?

Description : If soil pH is higher than 7 then that soil is called alkaline. Does that mean that soil has more alkaline substance ?

Last Answer : Yes , it means the mineral content in the soil It has high alkalinity.

What is the term for a substance with a pH higher than 7?

Description : What is the term for a substance with a pH higher than 7?

Last Answer : Feel Free to Answer

Which of the following concerning the pH of urine is correct? 1) is a useful indicator of the acid/base balance of the blood 2) rises on a vegetarian diet 3) is determined by the concentration of ammonium 4) is lower than 5.5 in renal tubular acidosis 5) would be above 7.0 after prolonged and severe vomiting

Description : Which of the following concerning the pH of urine is correct? 1) is a useful indicator of the acid/base balance of the blood 2) rises on a vegetarian diet 3) is determined by the concentration of ... lower than 5.5 in renal tubular acidosis 5) would be above 7.0 after prolonged and severe vomiting

Last Answer : Answers-2 c - excretion of ammonium occurs when an acid urine is produced but the pH of urine is of course determined by the concentration of H+ ions d-unable to lower the pH to ... and distal nephron and this perpetuates the metabolic alkalosis until the fluid balance is restored with IV fluids.

What is common among amylase, rennin and trypsin? (a) These are produced in stomach. (b) These act at a pH lower than 7. (c) These all are proteins. (d) These all are proteolytic enzymes.

Description : What is common among amylase, rennin and trypsin? (a) These are produced in stomach. (b) These act at a pH lower than 7. (c) These all are proteins. (d) These all are proteolytic enzymes.

Last Answer : (c) These all are proteins.

What is common among amylase, rennin and trypsin (a) All are protein (b) These are all proteolytic enzyme (c) These are produced in stomach (d) These act at a pH lower than 7

Description : What is common among amylase, rennin and trypsin (a) All are protein (b) These are all proteolytic enzyme (c) These are produced in stomach (d) These act at a pH lower than 7

Last Answer : (a) All are protein

Solution A has a pH of 2 while solution B has a pH o 7. How many times more acidic is solution A than Solution B?

Description : Solution A has a pH of 2 while solution B has a pH o 7. How many times more acidic is solution A than Solution B? 

Last Answer : ANSWER: ONE HUNDRED THOUSAND or TEN TO THE FIFTH POWER 

The stronger the acid __________. (a) the less stable its conjugate base (b) the larger the pKa (c) the weaker its conjugate base (d) the larger the pH

Description : The stronger the acid __________. (a) the less stable its conjugate base (b) the larger the pKa (c) the weaker its conjugate base (d) the larger the pH

Last Answer : the weaker its conjugate base

Low-acid foods have pH values of ____ or less. a. 5.2 c. 3.9 b. 4.6 d. 4.2

Description : Low-acid foods have pH values of ____ or less. a. 5.2 c. 3.9 b. 4.6 d. 4.2

Last Answer : b. 4.6

Relative to a solution with a pH of 4, a solution of pH = 6 is: w) higher in H+ concentration x) lower in OHy) less basic z) less acidic

Description : Relative to a solution with a pH of 4, a solution of pH = 6 is: w) higher in H+ concentration x) lower in OHy) less basic z) less acidic

Last Answer : ANSWER: Z -- LESS ACIDIC

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)

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)

The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Description : The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Last Answer : [ B ] much lower than

The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Description : The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Last Answer : [ B ] much lower than

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary