Periodic
What is Li
Lithium
Which salt will dissolve in water to form an alkaline solution?
Potassium carbonate
Which molecule has same structure as that of CO2
BeF2
The process of burning a fossil fuel to release energy is called
combustion
What is the heaviest element's chemical symbol?
Uranium
What is Fe
Iron
Brine is used for industrial production of
NaOH
Which molecule is theoretically AND not possible?
OF4
During a science experiment, a student observes that mixing two substances causes the temperature to drop. What type of reaction is this?
Endothermic reaction
What element is used in treating bipolar disorder?
Lithium
What is Hg
Mercury
Gastric juice contains HCl which is one example of
inorganic acid
Shape of IF5 molecule is
Square pyramidal
A substance which oxidized itself and reduces other is known as
Reducing agent
What is the chemical symbol for table salt?
NaCl
What is Ds
Darmstadtium
Which acid-base theory defines acids as “proton donors” and bases as “proton acceptors”?
Bronsted-Lowry theory
Shape of CO2 molecule is
Linear
What happens when copper rod is dipped in iron sulphate solution
No reaction takes place
What is the lightest element in the periodic table?
Hydrogen
What is Lr
Which acid-base theory defines acids as “electron pair acceptors” and bases as “electron pair donors”?
They have a soapy texture
Which formula represents the simplest notational form?
Emperical formula
A balanced chemical equation is in accordance with
Law of conservation of mass
What element is used in making stainless steel?
Chromium