If combining Vinegar and baking soda causes chemical bonds to form, then which action will cause chemical bonds to form? Answer choices: - A compound that donates proton - igniting fuel and oxidiser - nuclear reactions - Mixing baking soda and vinegar - By wind and rain - heat and pressure - converting electricity to heat - production of energy
Mixing baking soda and vinegar

If orangutans can vocalize for communication, then orangutans can communicate by doing what? Answer choices: - mental telepathy - Infomercials - contracting - singing opera - focusing a lens - vocalizing - adding heat - unidirectional
vocalizing

If activation energy must be used before a chemical change happens, then what is required before a chemical change? Answer choices: - kinetic energy - energy usage - activation push - activation energy - activation switch - activation power - Burning fuel and air - Evaporation
activation energy