31. Metaboric acid is a white, cubic crystalline solid and is only slightly soluble in water. 32. Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments. 33. It is available as a dark orange / red powder slightly soluble in water and alcohol. 34. It is soluble in methanol and diethyl ether, and very slightly soluble in cold water. 35. It is a hygroscopic solid that is highly soluble in water and slightly soluble in alcohol. 36. It dissolves in alcohol, ether and turpentine; in water it is only slightly soluble . 37. It is a non-flammable gas negligibly soluble in water and slightly soluble in alcohol. 38. It is infusible and insoluble in water, and only slightly soluble in warm hydrochloric acid. 39. It is slightly soluble in water. 40. Meconic acid is colorless and is only slightly soluble in water but readily soluble in alcohol.
