Which is carnalite________________?
Which is carnalite________________?
A. KCI
B. NaCI
C. KCI MgCl2 6H2O
D. Na2CO3. 10H2O
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Which of the following is not characteristics of reversible reaction__________________?A. whole amount of reactant does not change into product
B. chemical equilibrium is established
C. a catalyst changes the direction of reaction
D. rate of forward reaction decreases as reaction proceedsWhich one of the followings possesses melting point below 0°C?
Which one of the followings possesses melting point below 0°C?A. Nitrogen
B. Phosphorus
C. Carbon
D. BismuthPurines and pyrimidines are__________________?
Purines and pyrimidines are__________________?A. Enzymes
B. Nitrogenous bases
C. Carbohydrates
D. LipidsWhich one of the following has highest volatility_________________?
Which one of the following has highest volatility_________________?A. Diethyl ether
B. Ethyl alcohol
C. Water
D. Ethylene glycolBlack foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?
Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?A. Nitrates
B. Fluorides
C. Arsenic
D. MercuryWhich of the following is the Radioactive isotope of Hydrogen?
Which of the following is the Radioactive isotope of Hydrogen?A. Protium
B. Deuterium
C. Tritium
D. Nichromium