Which of the following books is NOT of Surdas?
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Which of the following plant group has hidden reproductive organs?
The capacity of a stream is directly related to its
Elements having same atomic numbers but different mass number are called ______.
Which one of the following statements would be INCORRECT to use?
The national Temple of Bangladesh is _________.
Which among the following statements are TRUE regarding synthetic fibre?
I. They melt after catching fire.
II. They are more durable.
III. They are prepared by a number of processes using petrochemicals.
Which of the following statements is/are true or false?
Statements :
A) H2S burns in air to give H2O and SO2
B) The decomposition of Ferrous Sulphate into Fe2O3, SO2 and SO3 occurs in the presence of heat.