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प्रश्न
Name an acid used as an eyewash.
उत्तर
Boric acid
APPEARS IN
संबंधित प्रश्न
Name the source from which litmus solution is obtained. What is the use of this solution?
Which chemical is injected into the skin of a person during an ant's sting?
How can the effect of these stings be neutralised?
Write the neutralisation reaction between acids and bases in terms of the ions involved.
What do you understand by the term, acid?
Define the term ‘basicity’ of an acid.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Sulphite or bisulphite -> Salt + water + sulphur dioxide}\]
Give the name and formula of two : Weak dibasic acids
Write the balanced equations for the reaction required to convert insoluble lead (II) oxide into insoluble lead chloride.
Fill in the crossword given in Figure 5.2 with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour to the basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
______ acids have a relatively smaller amount of acids dissolved in a solvent.
