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.

1 Answer

Answer :

c. Goes Down.

Related questions

Description : When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding _____________. A. distilled water only B. sulfuric acid ... of sulfuric acid and distilled water D. a strong solution of sulfuric acid and distilled water

Last Answer : Answer: A

Description : The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the A- stagerivity B- Wobble hypothesis C- Promiscuity D- adaptor hypothesis

Last Answer : adaptor hypothesis

Description : The stomach is a chemical barrier to infection because the stomach a. Contains bile. b. Harbors helicobacterpylori, a member of the host microbiota. c. Possesses defensive cells. d. Has an acid ph.

Last Answer : d. Has an acid ph.

Description : High acid foods with a pH above 5.3 are especially subjected to A- flat sour spoilage B- putrefaction C- both (a) and (b) D- TA spoilage

Last Answer : both (a) and (b)

Description : What prevents extremes of pH in biological systems? a. acid b. bases c. buffers d. neutrons

Last Answer : c. buffers

Description : Which one of the following statements about buffers is false? a. They work inside cells. b. They consist of a weak acid and weak base. c. They prevent pH shifts. d. They enhance chemical reactions.

Last Answer : d. They enhance chemical reactions.

Description : During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration? 

Last Answer : ANSWER: IT REMAINS THE SAME

Description : The evolution of heat of solution takes place in ammonia absorption plant when (a) ammonia vapour goes into solution (b) ammonia vapour is driven out of solution (c) lithium bromide mixes with ammonia (d) weak solution mixes with strong solution

Last Answer : Ans: a

Description : Evolutionary relationships between groups of organisms are determined using which of Thefollowing type of information? A- Comparisons of nucleotide sequences B- .Comparisons of biochemical pathways C- Comparisons of structural features D- All of the above

Last Answer : All of the above

Description : A bacterial species generation time would be determined during the phase. a. decline b. lag c. log d. stationary

Last Answer : c. log

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.

Description : Which one of the following best describes the growth conditions for a typical fungus? a. pH 3; 23°C; no oxygen gas present b. pH 8; 30°C; no oxygen gas present c. pH 6; 30°C; oxygen gas present d. pH 3; 23°C; oxygen gas present

Last Answer : c. pH 6; 30°C; oxygen gas present

Description : All the following are chemical parameters considered when selecting an antiseptic or disinfectant except: a. Dehydration. b. Temperature. c. Stability. d. Ph

Last Answer : b. Temperature.

Description : Treponema species from human oral cavity can be selected by using A- pH of the medium B- .incubation temperature C- cell size and motility D- all of these

Last Answer : cell size and motility

Description : For most bacteria, the optimum pH for growth lies between A- .6.5-7.5 B- B.3.5-4.5 C-.4.5-5.5 D-.5.5-6.5

Last Answer : 6.5-7.5

Description : Which of the following bacteria can grow in alkaline pH? A- Shigella B- .Lactobacilli C- Salmonella D- Vibrio cholera

Last Answer : Vibrio cholera

Description : For the selection of lactobacilli present in cheddar cheese, the pH of the medium is Maintainedat A- 6.35 B- .5.35 C- 4.35 D- 5.75

Last Answer : .5.35

Description : To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at apH of A- 8.5 B-8.90 C-6.79 D- 3.5

Last Answer : 8.5

Description : Which of the following bacteria can grow in acidic pH? A-Vibrio cholera B- Lactobacilli C- Shigella D-Salmonella

Last Answer : Lactobacilli

Description : Which of the following conditions are important for the growth of microbes? a. Temperature b. Gas c. pH d. Oxygen e. All the above

Last Answer : e. All the above

Description : The pH scale relates the measure of _______ of a chemical substance. a. ionization b. denaturation c. acidity d. buffering

Last Answer : c. acidity

Description : The group Firmicutes means _______ skin. a. soft b. strong c. hard d. rough

Last Answer : b. strong

Description : A newborn a. Contains indigenous micro biota before birth. b. Remains sterile for many weeks after birth, c. Becomes colonized soon after conception. d. Is colonized with many common micro biotas within a few days after birth.

Last Answer : a. Contains indigenous micro biota before birth.

Description : If Wilson Sporting Goods faces the classic demand curve characteristic for most products, as it raises the price of its tennis rackets, the: A)quantity demand goes down. B)demand remains constant. C)quantity demands increases.

Last Answer : A)quantity demand goes down.

Last Answer : The pH value of strong acid is 0

Description : The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong (A) Base and strong acid (B) Base and weak acid (C) Acid and weak base (D) None of these

Last Answer : Option A

Description : Which of the following statements are true of elevated-anion gap metabolic acidosis? A. Hypoperfusion from the shock state rarely produces an elevated anion gap. B. Retention of sulfuric and phosphoric ... E. Use of lactated Ringer's solution is inappropriate in the treatment of lactic acidosis.

Last Answer : Answer: BC DISCUSSION: An elevated anion gap may be produced by lactic acidosis from shock or by retention of inorganic acids from uremia. Lactated Ringer's solution rapidly corrects the ... . Bicarbonate loss from diarrhea and dilutional acidosis are non-anion gap types of metabolic acidosis

Description : A suitable admixture added at the time of preparing the concrete mix, makes the concrete (a) Water proof (b) Acid proof (c) Highly strong (d) All of the above

Last Answer : (d) All of the above

Description : When a substance is added to a liquid medium which inhibits the growth of unwanted bacteriaand favors the growth of wanted bacteria, it is known as A- differential medium B- enriched medium C- enrichment medium D-selective medium

Last Answer : enrichment medium

Description : pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in ... . z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.

Last Answer : ANSWER: X -- THERE ARE 1,000 TIMES MORE HYDROGEN IONS IN THE PH 5 SOLUTION

Description : Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above

Last Answer : all of the above

Description : How can you explain that even though you continue to add pure water into a substance even though the resultant pH might differ a little the acidity or alkalinity of substance still remains the same to?

Last Answer : Need answer

Description : Buffer solutions have constant acidity and alkalinity because: (1) they have fixed value of pH (2) these give unionised acid or base on reaction with added acid or alkali (3) acids and alkalies in these solutions are shielded from attack by other ions (4) they have large excess of H+ or OH– ions

Last Answer : these give unionised acid or base on reaction with added acid or alkali

Description : The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery

Last Answer : Answer: D

Description : When comes down to stress reduction, which one is preferred? a) Solid flywheel b) Split flywheel c) Both have equal stresses d) Cannot be determined

Last Answer : b) Split flywheel

Description : What will happen if two literals are identical? a) Remains the same b) Added as three c) Reduced to one d) None of the mentioned

Last Answer : c) Reduced to one

Description : Why is it not safe to add water directly to concentrated sulfuric acid ?

Last Answer : Sulfuric acid is a chemical compound. Whose chemical signal is H₂SO₄ . Pouring water with acid is not safe in case of concentrated H₂SO₄ acid dilution. This is because the concentrated H₂SO₄ acid is a ... dilute the acid, the acid is slowly poured into the water without adding water to the acid.

Last Answer : : Sulfuric acid reacts with water to produce H2S2O7

Description : From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is ... peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion

Last Answer : Answer: B

Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte ... minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Last Answer : Answer: C

Description : The electrolyte in a lead-acid storage battery consists of distilled water and _____________. A. hydrogen chloride B. calcium chloride C. sulfuric acid D. muriatic acid

Last Answer : Answer: C

Description : The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Last Answer : Answer: B

Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Last Answer : Acetaldehyde

Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane

Last Answer : ANSWER: Y -- WATER

Description : When one heats concentrated sulfuric acid, one molecule of water is eliminated for every two molecules of sulfuric acid. What substance will result from this reaction?

Last Answer : ANSWER: PYROSULFURIC ACID or DISULFURIC ACID

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the ... ) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.

Last Answer : (a) Sperm is viable for only up to 24 hours.

Description : 70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours ... the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility

Last Answer : Sperm is viable for only up to 24 hours