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प्रश्न
Fill in the following blank with suitable words:
Alkalis have a pH.............. than 7.
उत्तर
Alkalis have a pH greater than 7.
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संबंधित प्रश्न
What is the pH of a neutral solution?
Water is a neutral substance. What colour will you get when you add a few drops of universal indicator to a test-tube containing water?
The pH values of six solutions A to F are given below:
A = 0, B = 11, C = 6, D = 3, E = 13, F = 8
Which of the above solutions are (i) acids (ii) alkalis?
(b) Name the acid or alkalis used to make (i) car batteries (ii) explosives (iii) soaps (iv) fertilisers.
A sample of rain water turned universal indicator paper yellow. What would you expect it pH to be? Is it a strong or a weak acid?
Explain why the pH in a person's mouth becomes lower after each meal.
In basic solution turmeric indicator paper changes from yellow to _______.
Methyl orange gives ______ colour in an acidic solution.
What is the colour of phenolphthalein in the basic solution?
Write a note on:
Methyl orange
