Can anyone answer this? ? in advance alcl3 + cu = ?

What is a property of a double replacement reaction

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands