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A. Ca(OH)2
B. CaCO3
C. CaCl2
D. CaO
A. 1
B. 3
C. zero
D. 2
A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none
A. when electrons jump down to 2nd- orbit
B. when electrons jump down to 3rd- orbit
C. when electrons jump down to 4th- orbit
D. when electrons jump down to 5th- orbit
A. (CH3)2CHOH
B. CH3(CH2)OH
C. CH3CH2OH
D. (CH3)3COH
A. identification of elements
B. estimation of amounts of elements
C. molar ration of elements
D. molar volume of elements
A. White
B. Red
C. Black
D. Violet