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प्रश्न
Name an acid used as an eyewash.
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उत्तर
Boric acid
संबंधित प्रश्न
The indicator which produces a pink colour in an alkaline solution is:
(a) methyl orange
(b) turmeric paper
(c) phenolphthalein
(d) litmus paper
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z.
- What are X, Y and Z?
- Write equations for the reactions which take place:
- When limestone reacts with dilute HCl.
- When gas X reacts with lime water to form white precipitate Y.
- When excess of gas X dissolves white precipitate Y to form a soluble compound Z.
Which chemical is injected into the skin of a person during an ant's sting?
How can the effect of these stings be neutralised?
The salt which will give an acidic solution on dissolving in water is:
(a) KCl
(b) NH4Cl
(c) Na2Co3
(d) CH3COONa
Give a balanced equation for reaction of nitrogen dioxide with water.
Out of HCl and CH3COOH, which one is a weak acid and why? Describe an activity to support your answer.
Name the particles present in :
Weak electrolyte
Give the name and formula of two : Volatile acids
Which of the following is an acid-base indicator?
Complete the following equation.
HCl + H2O → ______ + ______.
