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