Question

arent
Change these sentences from active into passive voice.
1. They are playing volleyball.
11. The officer received the signal from
2. The mechanic repaired the bike on
his commander
time.
12. The people were chasing the
3. We were dusting the room.
burglar.
4. Editors edit books and newspapers.
13. He scored a century.
5. Nisha put the clothes in the
14. Everyone loves her.
cupboard.
15. I have sold my bike.
6. We do homework every day.
16. The police arrested him.
7. Our team won the match.
17. He handed her a cheque.
8. They will finish the work in a week.
18. Miss Paula teaches us English.
9. Alexander Graham Bell invented
the telephone
19. They kept him waiting
10. I shall teach you this game.
20. Our army has defeated the enemy.​

Answer 1

Explanation:

किसी तत्व के समस्थानिक ओं के रासायनिक गुणधर्म सम्मान किंतु परमाणु भार अलग-अलग होते हैं अतः उन्हें आवर्त सारणी में अलग-अलग स्थान मिलना चाहिए परंतु मेंडलीफ आवर्त सारणी में समस्थानिक ओं के लिए कोई स्थान नहीं था l