A) CnH2n+1 B) CnH2n C) CnH2n-2 D) CnH2n+2
A) Tin B) Zinc C) Gold D) Lead
A) BaO B) Ba2O3 C) Ba(OH)2 D) Ba2O
A) Mg(OH)3 B) Mg(OH) C) Mg(OH)2 D) Mg(OH)4
A) H2+O2→2H2O B) H2+O2→H2O C) 2H2+O2→2H2O D) 2H2+2O2→2H2O
A) CaO+H2 B) Ca2H2O C) Ca(OH)2+H2 D) CaOH
A) Sequencing genetic material B) Define toxic chemicals C) Examine and identifying metals and metal based evidence D) Analyzing biological tissue
A) Chemical change B) Chemical equations C) Chemical reaction D) Chemical bonding
A) 3,3,2 B) 2,2,2 C) 4,3,2 D) 2,3,2
A) Ethics of genetic testing B) General acceptance of scientific evidence in court C) DNA sample collection methods D) Reliability of test kits
A) Propyne B) Propene C) Ethene D) Butene
A) Acetylene B) Ethylene glycol C) Ethanol D) Methane
A) Nucleus B) Ribosome C) Mitochondrion only D) Cytoplasm
A) AlF2 B) AlF4 C) AlF3 D) AlF
A) Use "-ous acid" suffix only B) Prefix "per-" is used C) Use "ate" suffix D) Use "hydro-" and add "-ic acid"
A) Copper sulfate Penta hydrate B) Copper sulfate water complex C) Copper (ll) sulfate hydrate D) Copper (ll) sulfate Penta hydrate
A) Double replacement reaction B) Single replacement reaction C) Combination reaction D) Decomposition reaction
A) Double replacement reaction B) Synthesis reaction C) Single replacement reaction D) Decomposition reaction
A) PCR B) Gel electrophoresis C) Sanger sequencing D) RFLP
A) 4 B) 1 C) 3 D) 2
A) Soluble in water B) Colorless, odorless, and tasteless C) Contain double bonds D) Highly reactive at room temperature
A) True B) False
A) 3 B) 1 C) 4 D) 2
A) Single replacement reaction B) Combination reaction C) Double replacement reaction D) Decomposition reaction
A) Macro-etching B) Metal welding C) X-ray diffraction D) Plasma scanning
A) NaCl B) CO2 C) H2SO4 D) CuSO4 5H2O
A) Binary compound containing a metal (fixed oxidation number) and a non metal B) Binary compounds containing two nonmetal C) Binary acids D) Binary compound containing a metal variable oxidation number and non metal
A) NH B) NH2 C) NH4+ D) NH3
A) Melting the surface B) Sandpaper polishing C) Acid etching D) X-ray imaging
A) Four B) Two C) One D) Three
A) 16Al+3S8=8 Al2S8 B) Pb(NO2)2+K2CrO=pbCrO4+2KNO3 C) Sn+2AgNO2=Sn (NO2)2+2Ag D) 2KCIO=2KCl+3O2
A) Lead Bromide (ll) B) Lead (ll) Bromide C) Lead (lll) Bromide D) Lead Bromide (lll)
A) HCL+NAOH=NACL+H2O B) HCl+Na(OH)2=NaCl+H2O C) HcL+NaOH=NACL+HO D) HCl+Na (OH) =NaCl+H2O
A) Decomposition reaction B) Combination reaction C) Single replacement reaction D) Double replacement reaction
A) Used in behaverage carbonation B) Used as a refrigerant C) Used in perfumes D) Used in miner's lamps
A) Reactant B) Product
A) 1,2,1 B) 2,1,2 C) 2,3,1 D) 1,3,2 |