A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of He exerts a total pressure of 2.1 atm. The partial pressure of He in the mixture is?

• A. 0.90 atm
• B. 0.80 atm
• C. 0.70 atm
• D. 0.60 atm

In bonded atoms, increase in electronegativity difference,

• A. increases polarity
• B. decreases polarity
• C. has no effect on polarity
• D. brings the polarity to zero

The pre-Islamic period is known as?

• A. Sunnat
• B. Jahillyyah
• C. Mujahidun
• D. Al Bait

According to Q.4:34, the main right of the husband over his wife is to

• A. Prepare food for him
• B. Have conjugal relation with her
• C. Accept his leadership and obey him
• D. Appreciate him for his favours

Advantages of pipeline transport include all except_______

• A. Low maintenance cost
• B. It is safe
• C. Continuous Flow of goods
• D. Prone to leakages

Which of the following organisms is an endo-parasite?

• A. Tapeworm
• B. Flea
• C. Tick
• D. Aphid

The insects in which the maxillae are modified into a long coiled proboscis is

• A. housefly
• B. butterfly
• C. mosquito
• D. grasshopper

Amos satirically invited the Jews to come to Bethel and Gilgal in order to

• A. repent
• B. worship
• C. transgress
• D. pacify

Which of the following is NOT an agent of pollination in plants?

• A. Bees
• B. Wind
• C. Water
• D. Fungi

If 1 litre of 2.2M sulphuric acid is poured into a bucket containing 10 litres of water and the resulting solution mixed thoroughly, the resulting sulphuric acid concentration will be

• A) 2.2M
• B) 1.1M
• C) 0.22M
• D) 0.11M