Which of these is a physical property? flammability malleability reactivity toxicity

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

One does not belong why? ice, gold ,wood ,diamond and table salt

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above