there is no S in the picture
Study the given diagram showing part of the solar system and answer the questions that follow.
1. Which of these planets are made up of rocks and iron?
2. Which of these planets are mainly made up of frozen gases?
(a)1- c, d, g, h 2- a, b, e, f
(b)1- c, f, e, g 2- a, b, d, h
(c)1- a, b, d, h 2- c, f, e, g
(d)1- a, b, e, f 2- c, d, g, h
Observe the given reaction sequence carefully.
Acetic acid + Sodium hydrogen carbonate (i)
(i) + Ca(OH)2 (ii) + Water
What could (i) and (ii) be?
I did not understand the question. Can somebody please explain?
Three test tubes are set up as shown. The indicator used here changes from red to yellow when exposed to increased levels of carbon dioxide. At the start of the experiment, the indicator in each test tube was red.
What will be the colour of the indicator in each test tube after two hours?
Please explain how the test tube with insects will turn yellow.
Study the given classification chart carefully.
What could X be?