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प्रश्न
The litmus paper or the litmus solution is obtained from ________ plant
(A) Moss
(B) Lichen
(C) Rose
(D) Hibiscus
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उत्तर
Lichen
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equation:
\[\ce{NaOH_{(aq)} + HCl_{(aq)} ->}\]
What happens when an acid reacts with a metal oxide? Explain with the help of an example. Write a balanced equation for the reaction involved.
A solution reacts with marble chips to produce a gas which turns lime water milky. The solution contains ______.
A solution reacts with zinc granules to give a gas which burns with a ‘pop’ sound. The solution contains ______.
On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
On the basis of the above reaction, what can you say about the nature of copper oxide?
What ions are present in the solution of the following substance? (write the symbols only)
Sodium hydroxide
What ions are present in the solution of the following substance? (write the symbols only)
Magnesium hydroxide
What would be the colour of litmus in a solution of sodium carbonate?
Name the product formed when Cl2 and H2 produced during the electrolysis of brine are made to combine.
What are esters? How are esters prepared? Write the chemical equation for the reaction involved. What happens when an ester reacts with sodium hydroxide? Write the chemical equation for the reaction and also state the name and use of this reaction.
Phenolphthalein is a synthetic type of indicator.
When _______________ is passed through fresh lime water, it turns milky.
Answer the following question.
Identify the acid and base which form sodium hydrogen carbonate. Write the chemical equation in support of your answer. State whether this compound is acidic, basic, or neutral. Also, write its pH value.
Which of the following statements is not correct?
Which of the following statements is true for acids?
Name the acid present in ant sting and give its chemical formula. Also give the common method to get relief from the discomfort caused by the ant sting.
Can we taste acids and bases to identify them?
The taste of acid is ______.
What property do acids and bases have in common? Explain it with an example.
Consider the following salt:
NH4X
If in salt NH4X, X is nitrate, then its solution will give what colour with a universal indicator? Why?
