What is so fragile that saying its name breaks it?

Spot what is wrong here in below Picture?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A bomb exploded in a room full of married couples and no one died. How?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

What 5-letter word typed in all capital letters can be read the same upside down?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?