A substance resulting from the distillation of organic materials, primarily coal.

A thick, black liquid derived from coal that is used in sealants and paving materials.

एक गाढ़ा, काला तरल जो कोयले से प्राप्त होता है

English Usage: The coaltar is commonly applied on roads for durability.

Hindi Usage: कोयला टार आमतौर पर सड़कों पर मजबूती के लिए लगाया जाता है।

To combine with hydrogen; often used in processes to create synthetic fuels or chemicals.

हाइड्रोजन के साथ मिलाना

English Usage: They needed to hydrogenate the compound to achieve the desired properties.

Hindi Usage: उन्हें इच्छित गुण प्राप्त करने के लिए यौगिक को हाइड्रोजन करना था।

To treat with hydrogen, especially in the presence of a catalyst to reduce or saturate organic compounds.