General Science - Physics (Basics)
What is the chemical formula of washing soda, commonly used in laundry detergents?
What is the chemical formula of washing soda, commonly used in laundry detergents?
easy Q12 of 15
Step-by-Step Solution
Step 1: Recall the chemical formula of washing soda
Washing soda is sodium carbonate decahydrate, used in detergents and cleaning.Step 2: Match the formula
Na2CO3·10H2O is washing soda; NaHCO3 is baking soda; NaCl is common salt; CaCO3 is chalk.Final Answer:
Na2CO3·10H2O → Option AQuick Check:
Washing soda formula = Na2CO3·10H2O ✅
Quick Trick: Remember washing soda has 10 water molecules (decahydrate).
Common Mistakes:
- Confusing washing soda with baking soda or common salt.
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