In a liquid state it appears as a white powder , but it forms a solid crystal when heating .
In a liquid state , it appears as a white powder , but when heated it forms a solid crystal .
In a liquid state , it appears as a white powder , but when heated it forms a solid crystal .
أعد صياغة هذا النص: In a liquid state it appears as a white powder , but it forms a solid crystal when heating . خرج: