1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Observe the following reactions

I. Sucrose $(a q)+\mathrm{H}_2 \mathrm{O} \xrightarrow{x}$ glucose + fructose

II. Glucose $(a q) \xrightarrow{y}$ ethanol $+\mathrm{CO}_2$

What are $x$ and $y$ respectively?

A

Invertase, Zymase

B

Zymase, Diastase

C

Diastase, Zymase

D

Diastase, Invertase

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Kaolinite, a form of clay is the ore of metal $x$ and malachite is the ore of metal $y, x$ and $y$ respectively are

A

$\mathrm{Cu}, \mathrm{Zn}$

B

$\mathrm{K}, \mathrm{Cu}$

C

$\mathrm{Al}, \mathrm{Cu}$

D

$\mathrm{Zn}, \mathrm{Al}$

3
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Gas $X$ is obtained in Deacon's process. X on reacting with iodine and water gives

A

$\mathrm{HIO}_4$

B

$\mathrm{HIO}_2$

C

HIO

D

$\mathrm{HIO}_3$

4
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The alloy that contains copper and Zn is $x$ and the one that contains copper and Ni is $y$. What are $x$ and $y$ respectively?

A

Brass, Bronze

B

Bronze, 'Silver' UK coin

C

German silver, Bronze

D

Brass, 'Silver' UK coin