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प्रश्न
Name the positive ion formed When an acid is dissolved in water.
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उत्तर
Hydronium ion [H3O]+
संबंधित प्रश्न
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
1) Weak acid?
2) Strong alkali?
Name an indicator which is pink in alkaline solution but turns colourless in acidic solution.
What is meant by strong acids and weak acids? Classify the following into strong acids and weak acids:
HCI, CH3 COOH, H2 SO 4, HNO3, H2 CO3 , H2 SO3
The soil in a field in highly acidic. Name two materials which can be added to this soil to reduce its acidity. Give the reason for your choice.
One of the following salts will give an alkaline solution on dissolving in water. This is:
a) Na2CO3
(b) Na2SO4
(c) NaCl
(d) (NH4)2 SO4
Give the name and formula of two : Non-volatile acids
Give the name and formula of two : Volatile acids
______ contain one or more replaceable hydrogen atoms.
Complete the following equation.
Na2CO3 + 2HCl → ______ + ______ + CO2↑
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
