हिंदी

Give the Name and Formula of Two

Advertisements
Advertisements

प्रश्न

Give the name and formula of two : Weak dibasic acids

एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

(i) Carbonic acid H2CO3
(ii) Oxalic acid (COOH)2

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Study of Acids, Bases and Salts - Exercises [पृष्ठ ६९]

APPEARS IN

फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 3 Study of Acids, Bases and Salts
Exercises | Q 10. (b) | पृष्ठ ६९

वीडियो ट्यूटोरियलVIEW ALL [1]

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?

What effect does the concentration of \[\ce{H+_{( aq)}}\] ions have on the nature of a solution?


The salt which will give a neutral solution on dissolving in water will be ______.


Fill in the blank
Vinegar is the source of ________ acid.


Write a balanced reaction for the following conversions (A, B, C, D)

\[\ce{Fe→[A]FeCl2 →[B]FeCO3→[C]Fe(NO3)2→[D]Fe(OH)2}\]


Which of the following is an acid-base indicator?


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

All substances are either acidic or basic.


Fill in the cross word given in figure with the help of the clues provided.


Across

(2) The solution which does not change the colour of either red or blue litmus.

(4) Phenolphthalein gives pink colour in this type of solution.

(7) Colour of blue litmus in lemon juice.

Down

(1) It is used to test whether a substance is acidic or basic.

(3) It is a natural indicator and gives pink colour in basic solution.

(5) Nature of ant’s sting.

(6) It is responsible for the increase in temperature during a neutralisation reaction.


Complete the following equation.

HCl + ______ → NaCl + H2O


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×