pH of basic solution is always __________ than 7.

Academic Chemistry NCERT Class 10

pH of basic solution is always more than 7.

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Updated on: 10-Oct-2022

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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
Which is more basic (or more alkaline): a solution of pH = 8 or a solution of pH = 11?
An aqueous solution ‘A’ turns phenolphthalein solution pink. On addition of an aqueous solution ‘B’ to ‘A’, the pink colour disappears. The following statement is true for solution ‘A’ and ‘B’.(a) A is strongly basic and B is a weak base.(b) A is strongly acidic and B is a weak acid.(c) A has pH greater than 7 and B has pH less than 7.(d) A has pH less than 7 and B has pH greater than 7.
The colour of methyl orange indicator in a solution is yellow. The pH of the solution is likely to be:(a) 7 (b) Less than 7 (c) 0 (d) More than 7
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.
table style=width:80%">A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of the solution is less than 7
Which is more acidic: a solution of pH = 2 or a solution of pH = 6?
You have two solutions A and B. The pH of solution A is 6 and pH of solution B is 8.i. Which solution has more hydrogen ion concentration?ii. Which of this is acidic and which one is basic?
What is the pH of a neutral solution?
(a) What do you think will be the pH in the stomach of a person suffering from indigestion: less than 7 or more than 7?(b) What do you think will be the pH of an antacid solution: less than 7 or more than 7?(c) How does an antacid work?(d) Name two common antacids.
A solution has pH value of 5. On adding 10 mL of NaCl to it, what will be the pH of the new solution?(a) More than 5(b) Less than 5(c) Only seven(d) No change in pH
Fresh milk has a pH of 6. When milk changes into curd, the pH value will:(a) Become 7 (b) Become less than 6 (c) Become more than 7 (d) Remain unchanged
What is the colour of phynosphtaline in basic solution?
The salts of a strong acid and weak base are ________ with pH value __________ than 7.

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