A. ethanol
B. ethylene glaycol
C. glycerol
D. methanol
A. It enhances plant growth
B. It is involved in the synthesis of protein and nucleic acids
C. it accelerates fruits and flowers growth
D. It is involved in the chlorophyll synthesis
A. Lose water and remain solid
B. Gain water and remain solid
C. Gain water and become liquid
D. Remains unchanged
A. CH2 C12
B. CH3C1
C. CC14
D. CHCL3
Chloroform is a colorless, sweet-smelling organic compound with the IUPAC name Trichloromethane and formula CHCl3. Chloroform can daze or knock out people even when it’s consumed in small doses.
A. HF
B. HCI
C. HBr
D. HI
A. Inconsistent flow of filtration
B. splashing
C. premature crystallization
D. all of above
A. Z
B. T
C. Tn
D. W
Tungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or “heavy stone”.