CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

pH

Fill in the f...

Question

Fill in the following blanks with suitable words:
(a) Acids have a pH...........than 7.
(b) Alkalis have a pH.............. than 7.
(c) Neutral substances have a pH of ................
(d) The more acidic a solution, the ................. the pH.
(e) The more alkaline a solution, the............... the pH.

Open in App

Solution

(a) Acids have a pH less than 7.
(b) Alkalis have a pH greater than 7.
(c) Neutral substances have a pH of 7.
(d) The more acidic a solution, the lesser the pH.
(e) The more alkaline a solution, the greater the pH.

Suggest Corrections

thumbs-up

1

Similar questions

Fill in the following blanks with suitable words :

(a) Acids have a pH ___ than 7.

(b) Alkalis have a pH ___ than 7.

(c) Neutral substances have a pH of __

(d) The more acidic a solution, the ___ the pH.

(e) The more alkaline a solution, the ___ the pH.

Give one example each of a salt which gives an aqueous solution having :

(a) pH less than 7

(b) pH equal to 7

(c) pH more than 7

p H

is a measure of the concentration of hydrogen ions in a solution. The lower the

p H

, the higher the concentration of hydrogen ions, and the more acidic a solution is. Alkaline or basic solutions have lower concentrations of hydrogen ions and a

p H

7

. Which of the following substances has the highest

p H

Q. Strength of an acid solution or a basic solution can be determined by knowing the hydrogen ion concentrations in them, using a pH scale.
(i) Neutral solution has pH 7.
(ii) Acidic solution has pH less than 7.
(iii) Basic solution has pH more than 7.
The pH of a solution is inversely proportional to hydrogen(H+) ion concentration in it.

Teacher told three students Renuka, Bhawna and Seema to test their saliva with pH paper before and after having their lunch. Identify the correct observation from the following.

Q. Strength of an acid solution or a basic solution can be determined by knowing the hydrogen ion concentrations in them, using a

p H

scale.
(i) Neutral solution has

p H

7.
(ii) Acidic solution has

p H

less than 7.
(iii) Basic solution has

p H

more than 7.
The

p H

of a solution is inversely proportional to hydrogen

(H^{+})

ion concentration in it.

Five students Ankit, Nitin, Deepika, Gunjan and Pooja were given test tubes having solutions with

p H

1.2, 13.5, 10.0, 7.4 and 2.2 respectively. The correct order of decreasing

O H^{-}

ions concentration in these solutions is:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Water

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon