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प्रश्न
Name a metal compound which has detergent properties (cleansing properties).
उत्तर
Sodium carbonate, or washing soda (Na2CO3), has a cleansing property.
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संबंधित प्रश्न
When phenolphthalein is added to NaOH, the colour of the solution will become _________.
- colourless
- red
- pink
- yellow
Why does an aqueous solution of an acid conduct electricity?
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute sulphuric acid reacts with zinc granules.
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute hydrochloric acid reacts with magnesium ribbon.
What ions are present in the solutions of following substances? (write the symbols only)
Hydrochloric acid
What ions are present in the solutions of following substances? (write the symbols only)
Potassium hydroxide
What is the chemical formula of washing soda?
Choose the correct alternative and rewrite the following sentence.
Phenolphthalein is ___________ type of indicator.
Magnesium hydroxides are used for treating _______
A student added 10 g of calcium carbonate in a rigid container, secured it tightly and started to heat it. After some time, an increase in pressure was observed, the pressure reading was then noted at intervals of 5 mins and plotted against time, in a graph as shown below. During which time interval did maximum decomposition take place?
