Rahul took a solution of magnesium hydroxide and added excess of lemon juice to it. Which of the following statements are correct about the resulting solution?
1. It turns pink with phenolphthalein indicator.
2. It turns blue litmus red.
3. It is basic in nature.
4. The reaction takes place is neutralisation reaction.
A1 and 2
B3 and 4
C2 and 4
D1, 2 and 3
Look at the given figure carefully. Select the option which correctly explains formation of water droplets on cool steel plate held in front of spout of kettle having boiling water.
ASteam cools down to form water droplets on coming in contact with the cold plate.
BWater changes into water vapour on surface of cool steel plate.
CSteam melts to form water drops on cool steel plate.
DNone of these.