GUJCET Chemistry Important Questions 2025 for Exam Day: The Chemistry exam is just around the corner and students can enhance their chances of good performance with the right preparation plans. As per the paper pattern, students can expect questions from four core units including organic, inorganic, physical, and environmental chemistry. Based on previous year paper analysis, around 30 to 35% weightage is expected from organic and physical chemistry.
The question paper will comprise topics from class 11 and 12 standards; the 12th chapter will carry 80% weightage. To ensure students get enough scope of scouring competitive marks, we have provided GUJCET Chemistry important questions 2025 for exam day here.
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GUJCET Chemistry 2025: Important Questions for Practice
Here are some important questions with answers for GUJCET Chemistry 2025 exam. Students must practice them regularly for a better grip on the topics.
Q1) Identify which oxide shows acidic properties.
Ans. Mn2O7
Q2) What product is produced from the reaction of CH3ONa and CH3)3CBr?
Ans. Ether
Q3) What is the percentage of Ag(Silver) in German silver alloy?
Ans. 0.0%
Q4) When alkaline KMnO4 is treated with KI, the Iodide ion is oxidised to—--?
Ans. IO3
Q5) Which species is not expected to be a ligand?
Ans. NH+4
Q6) Which reaction is used to prepare CC2l2F2(Freon-12) from CCI4?
Ans. Swartz Reaction
Q7) What kind of isomerism exists between [CrH2O)6]Cl3 and [CrH2O)5Cl]Cl2H2O?
Ans. Solvate
Q8) How much gram of ethanol is required to obtain 280ml dihydrogen at STP by reaction of C2H5oH with Na-Metal?(Mol wt of ethanol= 46g/mol)
Ans. 1.15
Q9) Which alcohol undergoes dehydration reaction with Cu?
Ans. Tertiary
Q10) what is the correct order of acidity of compounds: 4-Nitrobenzoic acid(I), 4-Methoxy Benzoic acid(II), and Benzoic acid(III)?
Ans. I>III>II
Q11) Which compound will give Hoffmann bromamide a degradation reaction?
Ans. Ar-CONH2
Q12) What is the correct order of the packing efficiency in different types of unit cells?
Ans. fcc>bcc>simple cubic
Q13) Identify the aqueous solution with the highest boiling point.
Ans. 0.1MK4[Fe(CN)6]
Q14) What is the osmotic pressure(π) of 0.02 M solution of NaCl?
Ans. 0.04 RT
Q15) The resistance of a conductivity cell filled with 0.1 M KCl solution is 100 and the conductivity of the solution is 1.29 s/m. Then what will be the value of the conductivity cell constant?
Ans. 1.29 cm-1
Q16) Which is ore and not an oxide?
Ans. Magnetite
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