chemical equation and reaction class 10 mcq

The upward arrow indicates 1. Gas 2. Precipitate 3. Liquid 4. Crystals

The study of quantitative relationship in chemical reactions is called 1. Stoichiometry 2. Electrometry 3. Volumetry 4. None

The downward arrow represents 1. Gas 2. Precipitate 3. Liquid 4. Crystals

Volume - Volume relations use a hypothesis proposed by 1. boyle 2. charles 3. gaylussac 4. avogadro