Which of the following halides has the maximum melting point?

$\sinh ^{-1} 2 + \sinh ^{-1} 3 = x \Rightarrow \cosh x$ is equal to

Which of the products is formed when acetone is reacted with barium hydroxide solution?

Which one of the following animals is correctly matched with its particular named taxonomic category?

For a plane electromagnetic wave propagating in the $x$-direction,which one of the following combinations gives the correct possible directions for the electric field $(\vec{E})$ and magnetic field $(\vec{B})$ respectively?

Which one of the following is most acidic?