NEET Chemistry: Questions 109 - 113 of 941

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 941 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 109

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Which of the following statement is not true regarding the properties of alkali metal?

Choices

Choice (4) Response

a.

Halides and hydrides of beryllium do not polymerize

b.

BaO is soluble, but BaSO 4 is insoluble in water

c.

Alkali earth metals can’t be obtain by chemical reduction

d.

BeO insoluble, but BaSO 4 is soluble in water

Question number: 110

» S-Block Elements Group 1 and 2 » Industrial Uses » Plaster of Paris

MCQ▾

Question

Addition of alum to plaster of Paris makes the setting very hard. The mixture is known as?

Choices

Choice (4) Response

a.

Dead plaster

b.

Chalk

c.

Burnt plaster

d.

Keene cement

Question number: 111

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Which pair of following chloride do not impart colour to the flame?

Choices

Choice (4) Response

a.

CaCl2,MgCl2

b.

CaCl2,BaCl2

c.

SrCl2,BaCl2

d.

MgCl2,BeCl2

Question number: 112

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide M(OH)2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. Then M is?

Choices

Choice (4) Response

a.

Magnesium

b.

Strontium

c.

Beryllium

d.

Calcium

Question number: 113

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

MCQ▾

Question

Beryllium show diagonal relationship with aluminium. Which one of the following properties

is not shown by both?

Choices

Choice (4) Response

a.

Beryllium and aluminium have same maximum covalency

b.

BeO and Al 2O 3 are amphoteric

c.

Be 2 C and Al 4C 3 are methanides

d.

Beryllium and aluminium occur together in nature in beryl

Sign In