Where was the first nuclear power plant set up in

In Young’s double-slit experiment, dark fringes on the screen occur where:

What happens when dilute hydrochloric acid is added to iron fillings ?

Which of the following statements about permanent tissues is correct ?

NaOH + HC1 -> NaCl + H₂ O in the given chemical reaction 

Which among the following is necessarily present in an alloy for it to be referred as ‘Amalgam’?

Which of the following is the hardest substance known?

With the increase of pressure, the boiling point of any substance –

Minamata disease, a neurological disorder, is caused by eating fish contaminated with which element?

Group number and valency have no relation in

Which of the following statements is true about cell signaling?