Chapter 6: Environmental Chemistry I Atmosphere Chemistry Mcqs for High School - Grade 10


Q.  What is the extension of the ionosphere above the surface of Earth?

a. 80 km to 400 km
b. 0 km to 12 km
c. 400 km to thousands of kilometer
d. none of above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The density of water becomes maximum at
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Step of sewage water treatment in which sewage is placed in tanks and aerated with large blowers is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What percentage of fresh water is available to man?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What is the second step of raw water treatment?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What is the percentage of water from rivers and lakes?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Permanent hardness of water is caused due to the presence of dissolved
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Step of sewage water treatment in which there are some aeration and organic material is converted to inorganic materials is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Temporary hardness of water is caused due to the presence of dissolved
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Which of the following is an intestinal disease caused by bacteria such as E.coli?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The hardness that can be removed by boiling is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What is the percentage of groundwater?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Which type of Hepatitis spreads through polluted water?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Which of the following is the most abundant salt in seawater?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Which of the following is a disease in which excess of bile from the liver enters the blood and causes yellowness of skin and eyes?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Property due to which water acts as a universal solvent is its
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What is the first step of raw water treatment?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  The fourth step of sewage water treatment is called
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  Water exists in how many states?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  How many basic steps are involved in sewage water treatment?
Category: Chemistry Mcqs,   Published by: teswesm
MCQs:  What is the percentage of water from glaciers and ice caps?
Category: Chemistry Mcqs,   Published by: teswesm