Advertisements
Advertisements
Question
The river water is said to be polluted with acidic wastes if the pH of river water is :
(a) zero
(b) above 7
(c) below 7
(d) exactly 7
Solution
(c) below 7
Acidic substances have less than 7 pH.
APPEARS IN
RELATED QUESTIONS
Study the diagram below and answer the questions that follow:
1) Name the activity shown in the diagram.
2) Give two objectives of the activity named in (d) (i).
With which process are the following ancient structures associated?
Kulhs, Eris, Surangams, Kattas, Pynes
What is the main purpose of rainwater harvesting?
Name any five sources of water (other than rivers)
Describe how, the water of river Ganga has been highly polluted.
Which of the following is the age-old concept of the water harvesting system in Madhya Pradesh?
Which of the following are/ are not the consequence/consequences of building high-rise dams?
i. Loss of biodiversity
ii. Depletion of the natural habitats of wild animals
iii. Soil erosion leading to the infertility of the land
iv. Fall in the groundwater level
Choose the correct option from the following.
Water level in the reservoirs is measured in ______.
Specific constituents such as nitrogen, phosphorus, suspended solids, and heavy metals found in the wastewater are removed during the ______ treatment of the water recycling process.
The theme for World Water Day 2018 is ______.
