Choose the INCORRECT statement about Na2CO3.
A) A by-product from the production of Na2CO3 is CaCl2,which has a useful application in some localities.
B) It is an important commercial compound used in the glass,soap and paper industries.
C) It is produced by the Solvay process which utilizes NaCl and CaO as the primary raw materials in a multi-step synthesis.
D) It is mined from large deposits in the western United States.
E) Sodium carbonate can be formed by heating sodium bicarbonate.
Correct Answer:
Verified
Q30: Lithium differs from other members of the
Q31: Choose the INCORRECT statement.
A)The class "detergents" does
Q32: Choose the INCORRECT statement.
A)The production of limestone
Q33: Choose the INCORRECT statement.
A)Potassium chloride is used
Q34: Choose the INCORRECT statement about magnesium.
A)Magnesium is
Q36: Choose the INCORRECT statement.
A)Gypsum is CaSO4 ∙
Q37: Choose the INCORRECT statement.
A)Sodium bicarbonate is sodium
Q38: The Solvay process involves a reaction of
Q39: Finish the following reaction:
Li(s)+ N2(g)→
A)3 Li(s)+ N2(g)→
Q40: Finish the following reaction:
Li(s)+ O2(g)→
A)2 Li(s)+ O2(g)→
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