Drawing a Square of Specified Area (Paper Folding)

Q. Two square of the same size with side length 6 cm are cut along the diagonal and placed to make a single square. What is the side length of the new square?

1. $6\sqrt{3}$ cm
2. $6\sqrt{2}$ cm
3. $3\sqrt{3}$ cm
4. $3\sqrt{2}$ cm

Q.

In the given figure, a square is cut as shown in the first figure and rearranged to form a big square as shown in the second figure. Then the area of the big square in the second figure is _____.

1. 80 sq.units

2. 112 sq.units

3. 90 sq.units

4. 102 sq.units

Q. Three congruent squares cannot form a bigger square.

1. False
2. True

Q. If two B atoms and the bridge bonds are in XY plane, then four-terminal hydrogen atoms are perpendicular to XY plane in $B_2{H}_6$ molecule.

1. True
2. False

Q. Which of the following compound(s) can act as Lewis acid in both monomeric and dimeric form?

1. $AlC{l}_3$
2. $B{H}_3$
3. $Be{H}_2$
4. $BeC{l}_2$