1
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following can form ionic micelles in water?

A

Starch molecules

B

Sodium lauryl sulphate

C

Iodine molecules

D

$\mathrm{S}_8$ molecules

2
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The ore which is purified by leaching process is

A

zinc blende

B

bauxite

C

calamine

D

haematite

3
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \begin{array}{r} \mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \xrightarrow{\mathrm{CO}_2} 3 X+\mathrm{PH}_3 \uparrow \\ X \xrightarrow{\mathrm{HCl}(\mathrm{aq})} Y+\mathrm{NaCl} \end{array} $$

The incorrect statement about $Y$ is

A

It is also called phosphonic acid

B

It is a monobasic acid

C

It is a reducing agent

D

Oxidation state of the central atom in it is +1

4
TS EAMCET 2023 (Online) 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The ratio of lone pair of electrons to bond pair of electrons in ozone molecule is

A

$2: 1$

B

$3: 2$

C

$2: 3$

D

$1: 2$

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