Home
Class 7
CHEMISTRY
Take a few sodium carbonate in a test tu...

Take a few sodium carbonate in a test tube and let it react with dilute sulphuric acid. The gas formed is passed through lime water. What do you observe? Which gas is formed? Write the chemical equation.

Text Solution

Verified by Experts

Carbon dioxide is formed. On passing this gas through lime water, it turns milky. ~##VPU _TTT_SCI_VII_ P01_C03_E04_028_S01##~
Promotional Banner

Similar Questions

Explore conceptually related problems

Take 5mL water in a test tube and slowly add concentrated sulphuric acid to it. Touch the bottom of the test tube. What do you feel? Is the reaction exothermic or endothermic?

Add concentrated sulphuric acid to a test tube containing a small quan-tity of carbon. Heat it. What do you observe?

Take 25ml water in a beaker and pass electricity through it. The add little sulphuric acid in it. a) Why electricity didnot pass through pure water? b) What is your observation when H_2 SO_4 is added in water? c) Which type of ion formed more, when sulphuric acid is added in water.

Take hot water and cold water in two test tubes. Add one drop of phenolphthalein to both of the test tubes. Then add magnesium ribbon of the same size to this test tubes. a) Which test tubes shows the sudden formation of pink colour? b) What is the reason for the sudden formation of pink colour? c) Which gas is formed? d) Write the equation for the chemical reaction.

Take some sugar in a dry test tube and add a few drops of concentrated sulphuric acid to it. a) Write the chemical formula of sugar b) what is the product obtained after the reaction? c) What are the consitituents of sugar?