Not all bases are soluble in water. Those that are soluble are called alkalies. Sodium hydroxide, potassium hydroxide and calcium hydroxide are alkalies. All alkalies are bases but all bases are not alkalies.
Strong bases: Some bases are readily soluble in water. These are strong bases. There are also called alkalies for example: Sodium hydroxide and Potassium hydroxide.
Weak bases: Some bases are insoluble or partly soluble in water such bases are called weak bases.For example: Ammonium hydroxide, Calcium hydroxide, etc.
Name of Base | Found in | |
(i) | Calcium hydroxide | Lime water |
(ii) | Ammonium hydroxide | Window cleaner |
(iii) | Sodium hydroxide | Soap |
(iv) | Potassium hydroxide | Soap |
(v) | Magnesium hydroxide | Milk of Magnesia |
Vinegar contains _______________ acid. | |||
Right Option : C | |||
View Explanation |
Among the following, identify the pair of water soluble bases. | |||
Right Option : C | |||
View Explanation |
Spinach contains _______________ acid. | |||
Right Option : A | |||
View Explanation |
I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
It has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
My experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.