1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The empirical formula of calgon is

A
$$\mathrm{Na}_2 \mathrm{PO}_3$$
B
$$\mathrm{NaP}_2 \mathrm{O}_3$$
C
$$\mathrm{NaPO}_3$$
D
$$\mathrm{Na}_3 \mathrm{PO}_3$$
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The statement related to law of definite proportions is

A
the ratio of oxygen in $$\mathrm{H}_2 \mathrm{O}$$ and $$\mathrm{H}_2 \mathrm{O}_2$$ with respect to fixed mass of hydrogen atom is a whole number.
B
% of oxygen in $$\mathrm{H}_2 \mathrm{O}$$ is constant irrespective of the source.
C
equal volume of all gases at the same temperature and pressure should contain equal number of molecules.
D
matter can neither be created nor destroyed.
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

What are $$x$$ and $$y$$ in the following reaction?

$$x \mathrm{~Pb}_3 \mathrm{O}_4 \longrightarrow y \mathrm{PbO}+\mathrm{O}_2$$

A
$$x=3, y=6$$
B
$$x=2, y=4$$
C
$$x=2, y=5$$
D
$$x=2, y=6$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

An alloy of metals X and Y weighs 12 g and contains atoms X and Y in the ratio of 2 : 5. The percentage of metal X in the alloy is 20 by mass. If the atomic mass of X is 40 amu what is the atomic mass of metal Y ?

A
64 amu
B
32 amu
C
60 amu
D
50 amu
AP EAPCET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12