Chemistry
Grade-7
Easy
Question
What is the chemical name of washing soda?
- Sodium acetate
- Sodium carbonate
- Sodium silicate
- Sodium chlorate
Hint:
Used in borax and paper.
The correct answer is: Sodium carbonate
- Sodium carbonate is the chemical name of washing soda.
- Sodium carbonate decahydrate (Na2CO3 10H2O) also known as sodium carbonate, is the most common hydrate of sodium carbonate containing 10 molecules of water of crystallization.
.
Related Questions to study
Chemistry
Which of the following best sums up the components of a soap molecule?
Which of the following best sums up the components of a soap molecule?
ChemistryGrade-7
Chemistry
Micelles in the soap are
Micelles in the soap are
ChemistryGrade-7
Chemistry
_________
_________
ChemistryGrade-7
Chemistry
Detergents are amphipathic compounds with charged hydrophilic or polar groups at the end of lengthy lipophilic hydrocarbon groups.
Detergents are amphipathic compounds with charged hydrophilic or polar groups at the end of lengthy lipophilic hydrocarbon groups.
ChemistryGrade-7
Chemistry
Which one of the following is correct?
Which one of the following is correct?
ChemistryGrade-7
Chemistry
The soap molecule has a
The soap molecule has a
ChemistryGrade-7
Chemistry
_______ will not dissolve in saline water or hard water.
_______ will not dissolve in saline water or hard water.
ChemistryGrade-7
Chemistry
What is the process used for the manufacture of soaps?
What is the process used for the manufacture of soaps?
ChemistryGrade-7
Chemistry
Which of the following is correct regarding fats?
Which of the following is correct regarding fats?
ChemistryGrade-7
Chemistry
Why are detergents better cleansing agents than soaps?
Why are detergents better cleansing agents than soaps?
ChemistryGrade-7
Chemistry
Scouts spend the night camping beside the water. They are required to wash everything in seawater.
What kind of material would be best for successfully washing their clothes?
Scouts spend the night camping beside the water. They are required to wash everything in seawater.
What kind of material would be best for successfully washing their clothes?
ChemistryGrade-7
Chemistry
Which of the following is not used in the preparation of soap?
Which of the following is not used in the preparation of soap?
ChemistryGrade-7
Chemistry
Select the correct answer regarding anionic detergent.
Select the correct answer regarding anionic detergent.
ChemistryGrade-7
Chemistry
Which of the following is NOT true about soap?
Which of the following is NOT true about soap?
ChemistryGrade-7
Chemistry
To determine the kind of detergent, use the clue:
It is used in washing, has a negative head, and produces suds
To determine the kind of detergent, use the clue:
It is used in washing, has a negative head, and produces suds
ChemistryGrade-7