nataliellamas56
31.12.2020 •
Chemistry
09:10 .l . KS
?
PT/02/2020 - Science
04
Which of the following substance can 0.5
be used to test hardness of water.?
A. Detergent
B. Soap solution
C. Ethanol solution
D. Ether
Mark for review
PREV
NEXT
Solved
Show answers
More tips
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
- H Health and Medicine How to Cure Adenoids?...
- H Health and Medicine Why Wearing a Back Brace Can Be Beneficial During Back Strain?...
- S Sport When and Where Will the 2014 World Cup be Held?...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Chemistry
- C Chemistry The molecular weight of table salt, NaCl, is 58.5 g/mol. A tablespoon of salt weighs 6.37 grams. Calculate the number of moles of salt in one tablespoon. Finally, solve (remember...
- C Chemistry Convert each compound name into its chemical formula, then balance the equation. 1. aluminum chloride + calcium hydroxide aluminum hydroxide + calcium chloride...
- C Chemistry When writing chemical equations, the coefficient is distributed to each element in the (1) not just the first element. The coefficient also goes in front of the entire compound....
- C Chemistry Calculate the mass of tetraborane (B 4 H 10 ) that contains a million (1.0 * 10 ^ 6) hydrogen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant...
- C Chemistry PLEASE HURRY IM TIMED Which of these share chemical bonds? all matter compounds mixtures...
- B Business Evaluate the extent to which Wal-Mart s previous revenue policy was consistent with the revenue recognition principle....
- M Mathematics Suppose a normally distributed set of stock prices with 3500 observations has a mean of 101 and a standard deviation of 10. Use the 68-95-99.7 Rule to determine the number of...
- M Mathematics 5. Write a solution to the problem of finding the largest number out of three numbers. List the specific steps that would enable another person to find the largest among three...
- C Chemistry A radioactive substance has a half-life of 5 million years. What is the age of a rock in which 25% of the original radioactive atoms remain...
- E English Please help me ASAP, thannk you...
Ответ:
B. Soap solution
Explanation:
Hardness of water refers to the degree of calcium and magnesium in the water. In other words, hard water contains excessive mineral contents. The degree of hardness of a water body can be measured using the SOAP TEST KIT.
Due to the formation of insoluble minerals, soap forms an exvessive substance in the presence of hardwater because the particles or minerals contained in the water is reacting to form something insoluble. Hence, a SOAP test kit can be used to test the hardness of water.
Ответ:
How sjsjsj