When calcium joins with calcium its follows the following equation:
2Ca + O2 = 2CaO
hope that helps
Which property of gas affects the gas by change in that property ?
The density of the block will be "7.11 gm/cm³". A further explanation is provided below.
Given values are:
Density of iron,
Mass of block of metal,
Volume of block,
By using the formula,
→ 
then,
→ The density of block will be:
= 
= 
= 
Learn more:
brainly.com/question/10804879
By circle fraction additional number for the number