One out of the following statements is not true: A) The curl of gradient of any scalar field is identically zero

 One out of the following statements is not true: A) The curl of gradient of any scalar field is identically zero B) The divergence of curl of any vector field is identically zero C) A field, which has zero divergence, is said to be solenoidal D) A field, whose curl is zero, is said to be rotational 
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 One out of the following statements is not true: A) The curl of gradient of any scalar field is identically zero B) The divergence of curl of any vector field is identically zero C) A field, which has zero divergence, is said to be solenoidal D) A field, whose curl is zero, is said to be rotational 

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