Acids turn ____ litmus to _____.
Chemistry Annual Exam Revisional Assignment

Quiz
•
Chemistry
•
7th Grade
•
Easy
ASHITA Singh
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
red to blue
blue to red
blue to blue
red to green
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is sewage?
wastewater
pollutants
contaminants
liquid waste
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The black-brown oily and lathery water goes down to drains from homes, office etc. is called
sewage
wastewater
sewerage
pure water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The countries that do not get sufficient water for household purposes are generally poor.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
WWTP is also known as STTP.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is sludge?
solid waste
liquid waste
sewage
dry manure
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number of Potassium (K)?
15
17
19
20
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