Question

19.
1
a) Deactivate chloroplast
Destach leaves
Activate chloroplasts
Prepare leaves for photo the
Read the following and answer any four questions 190) to 19 ()
The pll of a solution is a measure of its hydrogeni (1) concentration. It is met
generally using pH scale. The values on pli scale range from 0 to 14.
A pH of 1 is very acidic and corresponds to a high concentration of Hon. Api
very basic and corresponds to a low concentration of Hons. The pll of a neutral
7. The Table given below shows the pH and H'lon cancentration of some common
solutions. The leftmost column shows the number of moles of Irons in mols of
The pH and Hydrogen lon (H+) Concentration of Some Solutions
H+ Concentration (moles)
pH
Solution
102
10
3
4
Castric (stomach) juice, lemon juice
Vinegar
Tomato juice
Black cofies, rain water
Urine
Pure water
104
5
7.
10'
10"
9
Baking soda
10
10.16
10-1
10-12
100
12
13
Milk of magnesia
Houschold bleach
Oven cleaner
104
5फ्रॉम द टेबल राइट द मोस्ट एसिडिक एंड द बेसिक क्वेश्चन ​

Answer 1

Answer:

very basic and corresponds to a low concentration of Hons. The pll of a neutral

Explanation: