मराठी

Which of the following is not a base?

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प्रश्न

Which of the following is not a base? 

पर्याय

  • NaOH

  • KOH

  • NH4OH

  • C2H5OH

MCQ
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उत्तर

C2H5OH

Explanation - 

Ethyl alcohol (C2H5OH) is not a base. It is an alcohol and is very weakly acidic in nature.

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पाठ 2: Acids, Bases and Salts - Multiple Choice Questions [पृष्ठ १३]

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एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
पाठ 2 Acids, Bases and Salts
Multiple Choice Questions | Q 23. | पृष्ठ १३

संबंधित प्रश्‍न

Give one example in the following case:

A hydroxide which is highly soluble in water.


Give one example in the following case:

A basic oxide which is insoluble in water.


Why indicator does not get affected by salt?


Main constituent of base is ______.


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Salts are neutral.


What is the term defined by the following?

A base which is soluble in water.


Sodium hydroxide is a ______.


Wasp sting contains _______.


Write any four uses of bases.


Which among the following is not a base?


State whether the following statement is true or false. Correct the false statement.

Lime water turns red litmus blue.


Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.

Test tube Nature of Solution Change in colour
of red litmus
A Neutral  
B Basic  
C Acidic  
D Neutral  

Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution which was pink in colour. Boojho added two drops of solution ‘A’ in his test tube and got dark pink colour. Paheli added 2 drops of solution ‘B’ to her test tube and got green colour. Golu added 2 drops of solution ‘C’ but could not get any change in colour. Suggest the possible cause for the variation in their results.


Bases are chemical substances that are corrosive and ______ in taste.


Sodium carbonate is commercially called ______.


Bases ionise in water to form ______ ions.


Water-soluble bases are called ______.


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