Which of the following statements are false? (A) \( \mathrm{BeCl}_{...

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Which of the following statements are false?
(A) \( \mathrm{BeCl}_{2} \) is a linear molecule in the vapour state but it is polymeric in the solid state
\( \mathrm{P} \)
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(B) Calcium hydride is called hydrolith
(C) Carbides of both \( \mathrm{Be} \) and \( \mathrm{Ca} \) react with water to form acetylene
(D) Oxides of both Be and \( \mathrm{Ca} \) are amphoteric.
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