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