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प्रश्न
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
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उत्तर
| Names | Bases | ||
| (1) | Potassium hydroxide | (b) | KOH |
| (2) | Zinc hydroxide | (d) | Zn(OH)2 |
| (3) | Calcium hydroxide | (c) | Ca(OH)2 |
|
(4) |
Sodium hydroxide | (a) | NaOH |
संबंधित प्रश्न
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
An element which can exhibit valencies of 2, 4 and 6 can be :
Define atomic mass unit. What is its symbol ?
Give the symbol of the following element:
Potassium
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Carbonate
Write the chemical formula of the following:
magnesium sulphate
Name the following:
An acid whose formula is ‘H2CO3’.
State the valency of the following metallic element and write symbol with the valency
Aluminium
Which of the following would weigh the highest?
