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?
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.
The national Temple of Bangladesh is _________.
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.