Which of the following statements about types of chemical reactions is true? 1. The opposite of a decomposition reaction is a synthesis reaction
2. The opposite of a synthesis reaction is a displacement reaction
3. The opposite of a displacement reaction is a replacement reaction
4. The opposite of a combustion reaction is a decomposition reaction

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.