A science teacher has arranged the following sets of test tubes as
She asked the students to find out the incorrect statement about the above experimental set-up.
A Turmeric solution turns red in test tubes 1 and 3.
B China rose indicator turns green in test tubes 2 and 4.
C Methyl orange turns yellow in test tubes 1 and 3.
D Phenolphthalein remains colourless in test tubes 2 and 4.
Study the given Venn diagram carefully.
Identify 1, 2 and 3.
|A||Do not React with metals||react with litmus||Do not react with carbonates|
|B||Are sour in taste||React with carbonates||Are soapy to touch|
|C||Have OH– > H+||Have H+ OH– = H+||Have OH– H+ > OH–|
|D||React with carbonates to form CO2 gas||can be identified by using indicators||turn china rose indicator green|
When a person breathes out, what happens to the diaphragm and rib cage?
|A||Becomes flatten||Moves downwards and inwards|
|B||Becomes flatten||Moves outwards and upwards|
|C||Becomes more curved||Moves downwards and inwards|
|D||Becomes more curved||Moves outwards and upwards|
Warm, humid conditions are highly favourable for development of
The given figure shows movement of the Earth around the Sun in 365 days. This movement is called _____.